If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 12x + -115 = 0 Reorder the terms: -115 + 12x + x2 = 0 Solving -115 + 12x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '115' to each side of the equation. -115 + 12x + 115 + x2 = 0 + 115 Reorder the terms: -115 + 115 + 12x + x2 = 0 + 115 Combine like terms: -115 + 115 = 0 0 + 12x + x2 = 0 + 115 12x + x2 = 0 + 115 Combine like terms: 0 + 115 = 115 12x + x2 = 115 The x term is 12x. Take half its coefficient (6). Square it (36) and add it to both sides. Add '36' to each side of the equation. 12x + 36 + x2 = 115 + 36 Reorder the terms: 36 + 12x + x2 = 115 + 36 Combine like terms: 115 + 36 = 151 36 + 12x + x2 = 151 Factor a perfect square on the left side: (x + 6)(x + 6) = 151 Calculate the square root of the right side: 12.288205727 Break this problem into two subproblems by setting (x + 6) equal to 12.288205727 and -12.288205727.Subproblem 1
x + 6 = 12.288205727 Simplifying x + 6 = 12.288205727 Reorder the terms: 6 + x = 12.288205727 Solving 6 + x = 12.288205727 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 12.288205727 + -6 Combine like terms: 6 + -6 = 0 0 + x = 12.288205727 + -6 x = 12.288205727 + -6 Combine like terms: 12.288205727 + -6 = 6.288205727 x = 6.288205727 Simplifying x = 6.288205727Subproblem 2
x + 6 = -12.288205727 Simplifying x + 6 = -12.288205727 Reorder the terms: 6 + x = -12.288205727 Solving 6 + x = -12.288205727 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = -12.288205727 + -6 Combine like terms: 6 + -6 = 0 0 + x = -12.288205727 + -6 x = -12.288205727 + -6 Combine like terms: -12.288205727 + -6 = -18.288205727 x = -18.288205727 Simplifying x = -18.288205727Solution
The solution to the problem is based on the solutions from the subproblems. x = {6.288205727, -18.288205727}
| 3j^2-4j-1=0 | | -3.2b=5.4b | | 5-12*x=8*x+9 | | 3X-10=-2(6X-1) | | (3x-10)+(2x+20)=180 | | (-4/9)x=16/27 | | 3x=x-16 | | 4x^2+9y^2+18y+37=0 | | X^2-11/X4 | | -16+x^2+4y^2=0 | | x^2-8x-132=0 | | (x-5)squared=-9 | | x+4i=-5+yi | | 5x+21=67 | | 12bx^2-7ax=0 | | 3x^2-10x=-1 | | 2/3y-7/4y=-13 | | -2x^2+12x=-36 | | 5y-1=3(y+3) | | 1-5x=4x+16 | | 3xsquared-10x=-1 | | 33c=726 | | 2(-4p-1)+(2.5-p)=x | | 5/2t-10=-30 | | 10x+30-20=90 | | 3.2b=1.8+3.6b | | f(x)=2x^3-8x^2+4x-16 | | 5y-2=28y | | 2b+42=7a+33 | | .25(r+8)=r-8 | | 4x+7x-4=56 | | 3x+12=-112 |