(-2)=x^2+x-2

Simple and best practice solution for (-2)=x^2+x-2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (-2)=x^2+x-2 equation:


Simplifying
(-2) = x2 + x + -2
-2 = x2 + x + -2

Reorder the terms:
-2 = -2 + x + x2

Add '2' to each side of the equation.
-2 + 2 = -2 + x + 2 + x2

Combine like terms: -2 + 2 = 0
0 = -2 + x + 2 + x2

Reorder the terms:
0 = -2 + 2 + x + x2

Combine like terms: -2 + 2 = 0
0 = 0 + x + x2
0 = x + x2

Solving
0 = x + x2

Solving for variable 'x'.
Remove the zero:
-1x + -1x2 = x + x2 + -1x + -1x2

Reorder the terms:
-1x + -1x2 = x + -1x + x2 + -1x2

Combine like terms: x + -1x = 0
-1x + -1x2 = 0 + x2 + -1x2
-1x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-1x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(1 + x) = 0

Ignore the factor -1.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {0, -1}

See similar equations:

| 42m+11462=10000 | | 1/4(x-8)=9 | | g(-2)=x^2+x-2 | | 7--8= | | 8*2-8=24 | | x^2/9-4x/3-2=0 | | 9+10c=29 | | 43=13-2z | | (3x^3-13x^2-56x)/(3x^2-29x+56) | | 0.6y-3.7=1.7 | | -8-7=-1 | | 6r=3(t+4)-t | | -(-3(x-1)-3)=x+8 | | 3(x+1)+2(x+2)=4(x+2) | | 6-10x=98-38 | | 2x+45=105 | | 14-4d+6*2.5=84 | | 24=8-2x | | 6x-4x-3=11 | | 44-4x=14x+18 | | 12m+3(m-1)=-2(m+1)+12 | | -1/7z+5=14+3/7z | | 8x-3=15x+81 | | 6/9=s/81 | | 7=-1+u+10u | | 8x-3=15x+8 | | 5f-7=2f+18 | | 8x-3=15+8 | | .62m+143.13=130 | | 5b+15=15 | | 9+4(x+1)=21 | | 3n+2n+5=7n+1 |

Equations solver categories