If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (7x + -1)(0.4x + -4) = 0 Reorder the terms: (-1 + 7x)(0.4x + -4) = 0 Reorder the terms: (-1 + 7x)(-4 + 0.4x) = 0 Multiply (-1 + 7x) * (-4 + 0.4x) (-1(-4 + 0.4x) + 7x * (-4 + 0.4x)) = 0 ((-4 * -1 + 0.4x * -1) + 7x * (-4 + 0.4x)) = 0 ((4 + -0.4x) + 7x * (-4 + 0.4x)) = 0 (4 + -0.4x + (-4 * 7x + 0.4x * 7x)) = 0 (4 + -0.4x + (-28x + 2.8x2)) = 0 Combine like terms: -0.4x + -28x = -28.4x (4 + -28.4x + 2.8x2) = 0 Solving 4 + -28.4x + 2.8x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 2.8 the coefficient of the squared term: Divide each side by '2.8'. 1.428571429 + -10.14285714x + x2 = 0 Move the constant term to the right: Add '-1.428571429' to each side of the equation. 1.428571429 + -10.14285714x + -1.428571429 + x2 = 0 + -1.428571429 Reorder the terms: 1.428571429 + -1.428571429 + -10.14285714x + x2 = 0 + -1.428571429 Combine like terms: 1.428571429 + -1.428571429 = 0.000000000 0.000000000 + -10.14285714x + x2 = 0 + -1.428571429 -10.14285714x + x2 = 0 + -1.428571429 Combine like terms: 0 + -1.428571429 = -1.428571429 -10.14285714x + x2 = -1.428571429 The x term is -10.14285714x. Take half its coefficient (-5.07142857). Square it (25.71938774) and add it to both sides. Add '25.71938774' to each side of the equation. -10.14285714x + 25.71938774 + x2 = -1.428571429 + 25.71938774 Reorder the terms: 25.71938774 + -10.14285714x + x2 = -1.428571429 + 25.71938774 Combine like terms: -1.428571429 + 25.71938774 = 24.290816311 25.71938774 + -10.14285714x + x2 = 24.290816311 Factor a perfect square on the left side: (x + -5.07142857)(x + -5.07142857) = 24.290816311 Calculate the square root of the right side: 4.928571427 Break this problem into two subproblems by setting (x + -5.07142857) equal to 4.928571427 and -4.928571427.Subproblem 1
x + -5.07142857 = 4.928571427 Simplifying x + -5.07142857 = 4.928571427 Reorder the terms: -5.07142857 + x = 4.928571427 Solving -5.07142857 + x = 4.928571427 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.07142857' to each side of the equation. -5.07142857 + 5.07142857 + x = 4.928571427 + 5.07142857 Combine like terms: -5.07142857 + 5.07142857 = 0.00000000 0.00000000 + x = 4.928571427 + 5.07142857 x = 4.928571427 + 5.07142857 Combine like terms: 4.928571427 + 5.07142857 = 9.999999997 x = 9.999999997 Simplifying x = 9.999999997Subproblem 2
x + -5.07142857 = -4.928571427 Simplifying x + -5.07142857 = -4.928571427 Reorder the terms: -5.07142857 + x = -4.928571427 Solving -5.07142857 + x = -4.928571427 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.07142857' to each side of the equation. -5.07142857 + 5.07142857 + x = -4.928571427 + 5.07142857 Combine like terms: -5.07142857 + 5.07142857 = 0.00000000 0.00000000 + x = -4.928571427 + 5.07142857 x = -4.928571427 + 5.07142857 Combine like terms: -4.928571427 + 5.07142857 = 0.142857143 x = 0.142857143 Simplifying x = 0.142857143Solution
The solution to the problem is based on the solutions from the subproblems. x = {9.999999997, 0.142857143}
| 4abc-4ab= | | 8x^4+12x^3+20x=0 | | X^2+20x+60=0 | | 1/6x3 | | f(t)=t^4-3t^3-12t^2+t-6 | | 4(3x+2)-3(2x-1)=35 | | ln(9x^2-4)-ln(3x+2)=2 | | 2/3/5 | | (-2y^2)= | | (5x^6)(-3x^5)(4x^5)= | | 204=6x^2+10x+4 | | 204=6x^2+12x+4 | | 0.5-1=4 | | (14x+5)+x=90 | | x/2+x/5=14 | | 3x/4+4x=38 | | =(a+2)(b+3) | | =(x+2)(x+4) | | 3(3x+1)=5x+11 | | 6x-9=3x+12 | | (6-3x)(7x+21)(2x+8)=0 | | (y+6)+2=3y | | -(4x-5)-(4x-5)+9=-6(x-1)-(6x+6)+3 | | u^2-9=0 | | 2/3x=3/4x^2 | | ((243x^16)y^9)^(1/3) | | 4x^2-50x+625=0 | | 3y^2=2y | | 2x^2+3-5=5 | | 3x^2-2x=o | | 2x(x-1)(x+3)=5x | | -7b-3b+4+2a= |