If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2x2 + 4x(x + -2) = 9 Reorder the terms: 2x2 + 4x(-2 + x) = 9 2x2 + (-2 * 4x + x * 4x) = 9 2x2 + (-8x + 4x2) = 9 Reorder the terms: -8x + 2x2 + 4x2 = 9 Combine like terms: 2x2 + 4x2 = 6x2 -8x + 6x2 = 9 Solving -8x + 6x2 = 9 Solving for variable 'x'. Reorder the terms: -9 + -8x + 6x2 = 9 + -9 Combine like terms: 9 + -9 = 0 -9 + -8x + 6x2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -1.5 + -1.333333333x + x2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + -1.333333333x + 1.5 + x2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + -1.333333333x + x2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + -1.333333333x + x2 = 0 + 1.5 -1.333333333x + x2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 -1.333333333x + x2 = 1.5 The x term is -1.333333333x. Take half its coefficient (-0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. -1.333333333x + 0.4444444442 + x2 = 1.5 + 0.4444444442 Reorder the terms: 0.4444444442 + -1.333333333x + x2 = 1.5 + 0.4444444442 Combine like terms: 1.5 + 0.4444444442 = 1.9444444442 0.4444444442 + -1.333333333x + x2 = 1.9444444442 Factor a perfect square on the left side: (x + -0.6666666665)(x + -0.6666666665) = 1.9444444442 Calculate the square root of the right side: 1.394433377 Break this problem into two subproblems by setting (x + -0.6666666665) equal to 1.394433377 and -1.394433377.Subproblem 1
x + -0.6666666665 = 1.394433377 Simplifying x + -0.6666666665 = 1.394433377 Reorder the terms: -0.6666666665 + x = 1.394433377 Solving -0.6666666665 + x = 1.394433377 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = 1.394433377 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = 1.394433377 + 0.6666666665 x = 1.394433377 + 0.6666666665 Combine like terms: 1.394433377 + 0.6666666665 = 2.0611000435 x = 2.0611000435 Simplifying x = 2.0611000435Subproblem 2
x + -0.6666666665 = -1.394433377 Simplifying x + -0.6666666665 = -1.394433377 Reorder the terms: -0.6666666665 + x = -1.394433377 Solving -0.6666666665 + x = -1.394433377 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = -1.394433377 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = -1.394433377 + 0.6666666665 x = -1.394433377 + 0.6666666665 Combine like terms: -1.394433377 + 0.6666666665 = -0.7277667105 x = -0.7277667105 Simplifying x = -0.7277667105Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.0611000435, -0.7277667105}
| (X^2/25)-6=-2 | | 60-n=37 | | (4x-10)=(3x+20) | | 4*(4x^2-24x-27)=0 | | 8a+15=-5-2a | | 7.2+4.7=62.3 | | -7/9x=-49 | | x=3.9E | | x=3.9E+2 | | 7y+5x=7y-15 | | 1-5m=1+5m | | 1/4x+6.5=-1/4x-9.5 | | -t+70=9t | | 16x^2-96x+12=120 | | 29=15+5n | | 5y+5=15 | | 1/4x+2/5x=39 | | g+y=33 | | 5(4+2x)-(8x-12)=60 | | .7p+5=.3(p+8)+.4(p+1) | | 1200-45x+.2x^2=0 | | 3/7y-5=13 | | 26+13= | | 5d-9=2d+12 | | 6w-11w=45 | | n+(n+2)+(n+3)=132 | | 15-w-4=28 | | v-2=2v+6 | | 63/4-111/18= | | X+5-8=26 | | 20(0.10)+0.05x=0.08 | | c/3-13=26 |