If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 30x + -161 = 0 Reorder the terms: -161 + 30x + x2 = 0 Solving -161 + 30x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '161' to each side of the equation. -161 + 30x + 161 + x2 = 0 + 161 Reorder the terms: -161 + 161 + 30x + x2 = 0 + 161 Combine like terms: -161 + 161 = 0 0 + 30x + x2 = 0 + 161 30x + x2 = 0 + 161 Combine like terms: 0 + 161 = 161 30x + x2 = 161 The x term is 30x. Take half its coefficient (15). Square it (225) and add it to both sides. Add '225' to each side of the equation. 30x + 225 + x2 = 161 + 225 Reorder the terms: 225 + 30x + x2 = 161 + 225 Combine like terms: 161 + 225 = 386 225 + 30x + x2 = 386 Factor a perfect square on the left side: (x + 15)(x + 15) = 386 Calculate the square root of the right side: 19.646882704 Break this problem into two subproblems by setting (x + 15) equal to 19.646882704 and -19.646882704.Subproblem 1
x + 15 = 19.646882704 Simplifying x + 15 = 19.646882704 Reorder the terms: 15 + x = 19.646882704 Solving 15 + x = 19.646882704 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + x = 19.646882704 + -15 Combine like terms: 15 + -15 = 0 0 + x = 19.646882704 + -15 x = 19.646882704 + -15 Combine like terms: 19.646882704 + -15 = 4.646882704 x = 4.646882704 Simplifying x = 4.646882704Subproblem 2
x + 15 = -19.646882704 Simplifying x + 15 = -19.646882704 Reorder the terms: 15 + x = -19.646882704 Solving 15 + x = -19.646882704 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + x = -19.646882704 + -15 Combine like terms: 15 + -15 = 0 0 + x = -19.646882704 + -15 x = -19.646882704 + -15 Combine like terms: -19.646882704 + -15 = -34.646882704 x = -34.646882704 Simplifying x = -34.646882704Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.646882704, -34.646882704}
| 9-5y=2y | | 92=45+b | | 1x^2+2x+4=0 | | 9-5y=9y | | f(x)=5x^2-15x+3 | | -15x-10=-7+38 | | -2(-2t+1)=-2+4t | | -5(c+3)=25 | | 8y-4z=7 | | -13m+18=7m-20m+18 | | 6x+1+5x+17=180 | | 9-5y=7y | | 2x+5+2x+5=3x+15 | | 2z+(-11)=14 | | 18=0.5x+2 | | 20*.15x=84.2 | | 2g+20t-3= | | -7m+6-3m=2(m-3) | | 5v^2-10v+1=22 | | 16x^3+28x^2+4x+3=0 | | 10-12=4(f-24) | | 4x-14=-6x | | m+12=21 | | -1.5+-10t= | | 4x+619=1369 | | 6h+7-14h-2h-11=14-2h+5h | | 3(d)+14=11 | | 9w-12w-2= | | 3n+14=8 | | -x-92=-8x+62 | | -20k-16=-2(12k-19)-2k | | 0.6x+0.9=5.1 |