If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -9x + -108 = 0 Reorder the terms: -108 + -9x + x2 = 0 Solving -108 + -9x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '108' to each side of the equation. -108 + -9x + 108 + x2 = 0 + 108 Reorder the terms: -108 + 108 + -9x + x2 = 0 + 108 Combine like terms: -108 + 108 = 0 0 + -9x + x2 = 0 + 108 -9x + x2 = 0 + 108 Combine like terms: 0 + 108 = 108 -9x + x2 = 108 The x term is -9x. Take half its coefficient (-4.5). Square it (20.25) and add it to both sides. Add '20.25' to each side of the equation. -9x + 20.25 + x2 = 108 + 20.25 Reorder the terms: 20.25 + -9x + x2 = 108 + 20.25 Combine like terms: 108 + 20.25 = 128.25 20.25 + -9x + x2 = 128.25 Factor a perfect square on the left side: (x + -4.5)(x + -4.5) = 128.25 Calculate the square root of the right side: 11.324751653 Break this problem into two subproblems by setting (x + -4.5) equal to 11.324751653 and -11.324751653.Subproblem 1
x + -4.5 = 11.324751653 Simplifying x + -4.5 = 11.324751653 Reorder the terms: -4.5 + x = 11.324751653 Solving -4.5 + x = 11.324751653 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = 11.324751653 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = 11.324751653 + 4.5 x = 11.324751653 + 4.5 Combine like terms: 11.324751653 + 4.5 = 15.824751653 x = 15.824751653 Simplifying x = 15.824751653Subproblem 2
x + -4.5 = -11.324751653 Simplifying x + -4.5 = -11.324751653 Reorder the terms: -4.5 + x = -11.324751653 Solving -4.5 + x = -11.324751653 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = -11.324751653 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = -11.324751653 + 4.5 x = -11.324751653 + 4.5 Combine like terms: -11.324751653 + 4.5 = -6.824751653 x = -6.824751653 Simplifying x = -6.824751653Solution
The solution to the problem is based on the solutions from the subproblems. x = {15.824751653, -6.824751653}
| -7r+8=2-6r+7 | | 27=45% | | O+12=30 | | e^2x-7=120 | | 4(x)+2(x)=72 | | 15x^3+11a^2+2a= | | 100x^2+10x=0 | | H=-16+8t | | x+0.1x=20 | | 2z+z=39 | | P-21=8(-6p+4)-4 | | 27y^3-9y^2= | | -3(4z+3)+4(6x+1)=43 | | (2cos^2)4x-1=0 | | (x+7)(x+9)=440 | | 60x^2-47x-30= | | -32+4p=8(p+4)+4p | | y^2+11y+28= | | x+1/3+1=x-2/6 | | .4v^22-42b+2.5=0 | | .4v^2+2.5=0 | | 8n-44=n+5 | | 3x-x=x+15 | | tan(3x)-1=0 | | 2x+3(4x-19)=-183 | | factoru^3+216v^3= | | 9-7n=n+15 | | u^3+216v^3= | | 5x^2=x+7 | | =x+7 | | 9n-11=n+5 | | 10x+3y=105 |