x^2+x-17=-5

Simple and best practice solution for x^2+x-17=-5 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 x^2+x-17=-5 equation:


Simplifying
x2 + x + -17 = -5

Reorder the terms:
-17 + x + x2 = -5

Solving
-17 + x + x2 = -5

Solving for variable 'x'.

Reorder the terms:
-17 + 5 + x + x2 = -5 + 5

Combine like terms: -17 + 5 = -12
-12 + x + x2 = -5 + 5

Combine like terms: -5 + 5 = 0
-12 + x + x2 = 0

Factor a trinomial.
(-4 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-4, 3}

See similar equations:

| f(x)=5x^2+2x-2 | | 6n^2-25n=0 | | 310*120= | | 2x+9+2y-31=180 | | 0.45+25x=40x+0.25 | | 9(y-7)=2(4y+8)-79 | | 7x+2y=-3x | | 3x+30=x+2 | | f(x)=6+2x | | log9^(3/4) | | 4(5x-4)-19x=8 | | 81=P(0.045) | | 2(4x-12)+3=6x+1 | | 4x+49=x+22 | | X-1/2y=-1 | | log9^(2/3) | | -19690+13796= | | 6(3f-15)f= | | -x+3=11+5x-1 | | -8(1-7k)=-15 | | 32=P(0.02) | | 7n+6=28 | | -5+8x+2=2x-33 | | 3x+2y=3300 | | c/7=8 | | 7c-6=22 | | 2g-4g-778=-78 | | 0.3x+0.6=-9.2-1.1x | | -x^2+x-1=-x+2 | | -4(6f-2)=31 | | 5p=8-9-3 | | 6-7c=22 |

Equations solver categories