If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 13x + -12 = 0 Reorder the terms: -12 + 13x + x2 = 0 Solving -12 + 13x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '12' to each side of the equation. -12 + 13x + 12 + x2 = 0 + 12 Reorder the terms: -12 + 12 + 13x + x2 = 0 + 12 Combine like terms: -12 + 12 = 0 0 + 13x + x2 = 0 + 12 13x + x2 = 0 + 12 Combine like terms: 0 + 12 = 12 13x + x2 = 12 The x term is 13x. Take half its coefficient (6.5). Square it (42.25) and add it to both sides. Add '42.25' to each side of the equation. 13x + 42.25 + x2 = 12 + 42.25 Reorder the terms: 42.25 + 13x + x2 = 12 + 42.25 Combine like terms: 12 + 42.25 = 54.25 42.25 + 13x + x2 = 54.25 Factor a perfect square on the left side: (x + 6.5)(x + 6.5) = 54.25 Calculate the square root of the right side: 7.365459931 Break this problem into two subproblems by setting (x + 6.5) equal to 7.365459931 and -7.365459931.Subproblem 1
x + 6.5 = 7.365459931 Simplifying x + 6.5 = 7.365459931 Reorder the terms: 6.5 + x = 7.365459931 Solving 6.5 + x = 7.365459931 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = 7.365459931 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = 7.365459931 + -6.5 x = 7.365459931 + -6.5 Combine like terms: 7.365459931 + -6.5 = 0.865459931 x = 0.865459931 Simplifying x = 0.865459931Subproblem 2
x + 6.5 = -7.365459931 Simplifying x + 6.5 = -7.365459931 Reorder the terms: 6.5 + x = -7.365459931 Solving 6.5 + x = -7.365459931 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = -7.365459931 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = -7.365459931 + -6.5 x = -7.365459931 + -6.5 Combine like terms: -7.365459931 + -6.5 = -13.865459931 x = -13.865459931 Simplifying x = -13.865459931Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.865459931, -13.865459931}
| -7y-5=-9(y-1) | | f(x)=ln(x^2+16) | | -29+x=x+11 | | t-7=5t | | 0.4x+0.9(10-x)=8 | | 2x+4y=1x+3a | | (x2-3x-18)/(x-6) | | -cos^2x-6cosx-5=0 | | X+12=3x-32 | | x^-2=1/9 | | 4(x-2)-5(3x+1)=3-4(x-1) | | 2x+3y=4x+2y | | (xy)dx+(2x^2+3y-20)dy=0 | | 5a-3(a-2)=22 | | -3/5u-1/3=-1/2 | | 14x+3=465 | | 1/5p=- | | 3x+4(2x-7)=16-3(x-5) | | (x-3)2=x+7 | | 11k-5(k+10)=4 | | 2(x-1)-4=-5(x-6) | | 5x^2=47x-18 | | x-3*2=x+7 | | 4+9*lnx=15.8 | | -5(-2z)+4(3-2)-7(3+z)=0 | | x-3*2=7+x | | (3x-4)^2/3=4 | | 8=.25b | | 3-x*2=7+x | | 8(-4x+3)-5x=-1 | | X/4=11/7 | | 26=8x+(-x+12) |