x^2+2x-40=8

Simple and best practice solution for x^2+2x-40=8 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+2x-40=8 equation:


Simplifying
x2 + 2x + -40 = 8

Reorder the terms:
-40 + 2x + x2 = 8

Solving
-40 + 2x + x2 = 8

Solving for variable 'x'.

Reorder the terms:
-40 + -8 + 2x + x2 = 8 + -8

Combine like terms: -40 + -8 = -48
-48 + 2x + x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-48 + 2x + x2 = 0

Factor a trinomial.
(-8 + -1x)(6 + -1x) = 0

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {-8, 6}

See similar equations:

| x^2+-6=0 | | 108=-3(-10n-6) | | 0.9y=-9.9 | | 2g-5=13 | | 60=6r | | 5+3(-4x-2)=-18 | | 2p+4=16 | | 13z=10 | | d^2+11d+18=0 | | 5t+6=21 | | 17x=204 | | -300=20v | | 8-22(2x-5)=6 | | b^2+4b-12=0 | | 9x+61=6(x-4) | | 1+0y=4 | | 7(x+4y)= | | t^2-6t-27=0 | | z^2-14z+49=0 | | Y=4+9x+3X^2 | | n^2-15n+26=0 | | c+13.5=20 | | c+71=18 | | m-2.7=1.5m+1 | | b^2-26b+48=0 | | d^2-4d+3=0 | | 2(5-z)=6 | | 2x^2+11x-70=0 | | 2x^2-11x-70=0 | | x^7=125x^4 | | 9m+64=-144-17m | | -3(a-4)-2a-12=15 |

Equations solver categories