If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (4.20x + -5.80)(7.20x + -9.20) = 8.90x + 10.3 Reorder the terms: (-5.80 + 4.20x)(7.20x + -9.20) = 8.90x + 10.3 Reorder the terms: (-5.80 + 4.20x)(-9.20 + 7.20x) = 8.90x + 10.3 Multiply (-5.80 + 4.20x) * (-9.20 + 7.20x) (-5.80(-9.20 + 7.20x) + 4.20x * (-9.20 + 7.20x)) = 8.90x + 10.3 ((-9.20 * -5.80 + 7.20x * -5.80) + 4.20x * (-9.20 + 7.20x)) = 8.90x + 10.3 ((53.36 + -41.76x) + 4.20x * (-9.20 + 7.20x)) = 8.90x + 10.3 (53.36 + -41.76x + (-9.20 * 4.20x + 7.20x * 4.20x)) = 8.90x + 10.3 (53.36 + -41.76x + (-38.64x + 30.24x2)) = 8.90x + 10.3 Combine like terms: -41.76x + -38.64x = -80.4x (53.36 + -80.4x + 30.24x2) = 8.90x + 10.3 Reorder the terms: 53.36 + -80.4x + 30.24x2 = 10.3 + 8.90x Solving 53.36 + -80.4x + 30.24x2 = 10.3 + 8.90x Solving for variable 'x'. Reorder the terms: 53.36 + -10.3 + -80.4x + -8.90x + 30.24x2 = 10.3 + 8.90x + -10.3 + -8.90x Combine like terms: 53.36 + -10.3 = 43.06 43.06 + -80.4x + -8.90x + 30.24x2 = 10.3 + 8.90x + -10.3 + -8.90x Combine like terms: -80.4x + -8.90x = -89.3x 43.06 + -89.3x + 30.24x2 = 10.3 + 8.90x + -10.3 + -8.90x Reorder the terms: 43.06 + -89.3x + 30.24x2 = 10.3 + -10.3 + 8.90x + -8.90x Combine like terms: 10.3 + -10.3 = 0.0 43.06 + -89.3x + 30.24x2 = 0.0 + 8.90x + -8.90x 43.06 + -89.3x + 30.24x2 = 8.90x + -8.90x Combine like terms: 8.90x + -8.90x = 0.00 43.06 + -89.3x + 30.24x2 = 0.00 Begin completing the square. Divide all terms by 30.24 the coefficient of the squared term: Divide each side by '30.24'. 1.423941799 + -2.953042328x + x2 = 0 Move the constant term to the right: Add '-1.423941799' to each side of the equation. 1.423941799 + -2.953042328x + -1.423941799 + x2 = 0 + -1.423941799 Reorder the terms: 1.423941799 + -1.423941799 + -2.953042328x + x2 = 0 + -1.423941799 Combine like terms: 1.423941799 + -1.423941799 = 0.000000000 0.000000000 + -2.953042328x + x2 = 0 + -1.423941799 -2.953042328x + x2 = 0 + -1.423941799 Combine like terms: 0 + -1.423941799 = -1.423941799 -2.953042328x + x2 = -1.423941799 The x term is -2.953042328x. Take half its coefficient (-1.476521164). Square it (2.180114748) and add it to both sides. Add '2.180114748' to each side of the equation. -2.953042328x + 2.180114748 + x2 = -1.423941799 + 2.180114748 Reorder the terms: 2.180114748 + -2.953042328x + x2 = -1.423941799 + 2.180114748 Combine like terms: -1.423941799 + 2.180114748 = 0.756172949 2.180114748 + -2.953042328x + x2 = 0.756172949 Factor a perfect square on the left side: (x + -1.476521164)(x + -1.476521164) = 0.756172949 Calculate the square root of the right side: 0.869582054 Break this problem into two subproblems by setting (x + -1.476521164) equal to 0.869582054 and -0.869582054.Subproblem 1
x + -1.476521164 = 0.869582054 Simplifying x + -1.476521164 = 0.869582054 Reorder the terms: -1.476521164 + x = 0.869582054 Solving -1.476521164 + x = 0.869582054 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.476521164' to each side of the equation. -1.476521164 + 1.476521164 + x = 0.869582054 + 1.476521164 Combine like terms: -1.476521164 + 1.476521164 = 0.000000000 0.000000000 + x = 0.869582054 + 1.476521164 x = 0.869582054 + 1.476521164 Combine like terms: 0.869582054 + 1.476521164 = 2.346103218 x = 2.346103218 Simplifying x = 2.346103218Subproblem 2
x + -1.476521164 = -0.869582054 Simplifying x + -1.476521164 = -0.869582054 Reorder the terms: -1.476521164 + x = -0.869582054 Solving -1.476521164 + x = -0.869582054 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.476521164' to each side of the equation. -1.476521164 + 1.476521164 + x = -0.869582054 + 1.476521164 Combine like terms: -1.476521164 + 1.476521164 = 0.000000000 0.000000000 + x = -0.869582054 + 1.476521164 x = -0.869582054 + 1.476521164 Combine like terms: -0.869582054 + 1.476521164 = 0.60693911 x = 0.60693911 Simplifying x = 0.60693911Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.346103218, 0.60693911}
| 7bx^2-21xy+49x= | | x^2-3.79x-17.3=3.57 | | 9ax-6x^2ay+3ax^3= | | 36x^2+6x-8=0 | | 8.17x^2-2.07x=0 | | 9x^2+3=6x^2+195 | | 78=5x+x | | (x+1)(x+2)(x+3)(x+6)=168x^2 | | a^2x+bx^2= | | 3y^2-9y= | | 9-a^4= | | 2dx+(2x+3y)dy=0 | | x^3y^4-25xd^6= | | 2x+x=10000 | | 4a^2-121= | | 9+24x+16x^2= | | m=(0-(-2))/(0-6) | | m=(0-2)/(0-6) | | 4x^2+16x+16= | | 3x^3+6x^2+9x= | | (3x-4)(x-4)= | | (x^2-2)(x^2+2)= | | (a^2b-8)(a^2b+8)= | | (.3x^2-1)(.3x^2-1)= | | (.3x-2)(.5x+3)= | | (.5-x)(.5+x)= | | (1.2y-1)(1.2y+5)= | | (y-6)(y-6)= | | (2x+9)(x-3)= | | (5y-7)(y-1)= | | (y-9)(y-3)= | | (2x+3)(5x+7)= |