If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3(I + -3) * 7(I + 3) = 4(2I + -3) + -8(2I + 3) Reorder the terms: 3(-3 + I) * 7(I + 3) = 4(2I + -3) + -8(2I + 3) Reorder the terms: 3(-3 + I) * 7(3 + I) = 4(2I + -3) + -8(2I + 3) Reorder the terms for easier multiplication: 3 * 7(-3 + I)(3 + I) = 4(2I + -3) + -8(2I + 3) Multiply 3 * 7 21(-3 + I)(3 + I) = 4(2I + -3) + -8(2I + 3) Multiply (-3 + I) * (3 + I) 21(-3(3 + I) + I(3 + I)) = 4(2I + -3) + -8(2I + 3) 21((3 * -3 + I * -3) + I(3 + I)) = 4(2I + -3) + -8(2I + 3) 21((-9 + -3I) + I(3 + I)) = 4(2I + -3) + -8(2I + 3) 21(-9 + -3I + (3 * I + I * I)) = 4(2I + -3) + -8(2I + 3) 21(-9 + -3I + (3I + I2)) = 4(2I + -3) + -8(2I + 3) Combine like terms: -3I + 3I = 0 21(-9 + 0 + I2) = 4(2I + -3) + -8(2I + 3) 21(-9 + I2) = 4(2I + -3) + -8(2I + 3) (-9 * 21 + I2 * 21) = 4(2I + -3) + -8(2I + 3) (-189 + 21I2) = 4(2I + -3) + -8(2I + 3) Reorder the terms: -189 + 21I2 = 4(-3 + 2I) + -8(2I + 3) -189 + 21I2 = (-3 * 4 + 2I * 4) + -8(2I + 3) -189 + 21I2 = (-12 + 8I) + -8(2I + 3) Reorder the terms: -189 + 21I2 = -12 + 8I + -8(3 + 2I) -189 + 21I2 = -12 + 8I + (3 * -8 + 2I * -8) -189 + 21I2 = -12 + 8I + (-24 + -16I) Reorder the terms: -189 + 21I2 = -12 + -24 + 8I + -16I Combine like terms: -12 + -24 = -36 -189 + 21I2 = -36 + 8I + -16I Combine like terms: 8I + -16I = -8I -189 + 21I2 = -36 + -8I Solving -189 + 21I2 = -36 + -8I Solving for variable 'I'. Reorder the terms: -189 + 36 + 8I + 21I2 = -36 + -8I + 36 + 8I Combine like terms: -189 + 36 = -153 -153 + 8I + 21I2 = -36 + -8I + 36 + 8I Reorder the terms: -153 + 8I + 21I2 = -36 + 36 + -8I + 8I Combine like terms: -36 + 36 = 0 -153 + 8I + 21I2 = 0 + -8I + 8I -153 + 8I + 21I2 = -8I + 8I Combine like terms: -8I + 8I = 0 -153 + 8I + 21I2 = 0 Begin completing the square. Divide all terms by 21 the coefficient of the squared term: Divide each side by '21'. -7.285714286 + 0.380952381I + I2 = 0 Move the constant term to the right: Add '7.285714286' to each side of the equation. -7.285714286 + 0.380952381I + 7.285714286 + I2 = 0 + 7.285714286 Reorder the terms: -7.285714286 + 7.285714286 + 0.380952381I + I2 = 0 + 7.285714286 Combine like terms: -7.285714286 + 7.285714286 = 0.000000000 0.000000000 + 0.380952381I + I2 = 0 + 7.285714286 0.380952381I + I2 = 0 + 7.285714286 Combine like terms: 0 + 7.285714286 = 7.285714286 0.380952381I + I2 = 7.285714286 The I term is 0.380952381I. Take half its coefficient (0.1904761905). Square it (0.03628117915) and add it to both sides. Add '0.03628117915' to each side of the equation. 0.380952381I + 0.03628117915 + I2 = 7.285714286 + 0.03628117915 Reorder the terms: 0.03628117915 + 0.380952381I + I2 = 7.285714286 + 0.03628117915 Combine like terms: 7.285714286 + 0.03628117915 = 7.32199546515 0.03628117915 + 0.380952381I + I2 = 7.32199546515 Factor a perfect square on the left side: (I + 0.1904761905)(I + 0.1904761905) = 7.32199546515 Calculate the square root of the right side: 2.705918599 Break this problem into two subproblems by setting (I + 0.1904761905) equal to 2.705918599 and -2.705918599.Subproblem 1
I + 0.1904761905 = 2.705918599 Simplifying I + 0.1904761905 = 2.705918599 Reorder the terms: 0.1904761905 + I = 2.705918599 Solving 0.1904761905 + I = 2.705918599 Solving for variable 'I'. Move all terms containing I to the left, all other terms to the right. Add '-0.1904761905' to each side of the equation. 0.1904761905 + -0.1904761905 + I = 2.705918599 + -0.1904761905 Combine like terms: 0.1904761905 + -0.1904761905 = 0.0000000000 0.0000000000 + I = 2.705918599 + -0.1904761905 I = 2.705918599 + -0.1904761905 Combine like terms: 2.705918599 + -0.1904761905 = 2.5154424085 I = 2.5154424085 Simplifying I = 2.5154424085Subproblem 2
I + 0.1904761905 = -2.705918599 Simplifying I + 0.1904761905 = -2.705918599 Reorder the terms: 0.1904761905 + I = -2.705918599 Solving 0.1904761905 + I = -2.705918599 Solving for variable 'I'. Move all terms containing I to the left, all other terms to the right. Add '-0.1904761905' to each side of the equation. 0.1904761905 + -0.1904761905 + I = -2.705918599 + -0.1904761905 Combine like terms: 0.1904761905 + -0.1904761905 = 0.0000000000 0.0000000000 + I = -2.705918599 + -0.1904761905 I = -2.705918599 + -0.1904761905 Combine like terms: -2.705918599 + -0.1904761905 = -2.8963947895 I = -2.8963947895 Simplifying I = -2.8963947895Solution
The solution to the problem is based on the solutions from the subproblems. I = {2.5154424085, -2.8963947895}
| x^3-x^2+x-1=0 | | x+2=-x-1 | | x(3x+2)=120 | | 17+y=-81 | | -3(2-c)+8=-4c | | 5k+10n=30 | | 5y=-50 | | 5n-6=-31 | | 5m+10=10 | | 2u-4=4(u-5) | | -9=27 | | (-5/3)v-(2/3)v=(-1/5)+(3/5) | | 120+22x+4=15x+5 | | 9-n=15 | | x^2+70x+1200=0 | | 2x-x+4=3x-2 | | 3.25xA=279.50 | | p=90-2q | | 2c+4-3c=9+c+5 | | 4(-8)+5(-3)=-6 | | Pd=90-2Qd | | -3-6(5-1)= | | 6i+150=600 | | x^2-4x-60= | | 15+.75g=13+.5g | | -3y-4+5y+2y=12 | | 3x^5+15x^3=72x | | 2=(-5/6)u | | 1200x+x^3-60x^2-8000=0 | | 8w=-32+4w | | 15x=X+6 | | y^3-3x= |