x^2+7x-18=

Simple and best practice solution for x^2+7x-18= 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+7x-18= equation:


Simplifying
x2 + 7x + -18 = 0

Reorder the terms:
-18 + 7x + x2 = 0

Solving
-18 + 7x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -1x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-9, 2}

See similar equations:

| 74-3x=2x+14 | | x^2-14x+45= | | 5x+3=x-9 | | 3x-9=x-8 | | x^2-3x+2= | | 69-6x=9x+24 | | 4x+13=62-3x | | x^2-7x-30= | | 10x+23-8x+23=6 | | x^2+6x-7= | | 2x-4=10x-100 | | 1+12x=133+x | | x^2+15x+50= | | 5x+26=12x-51 | | x^2+5x+4= | | 6x^2-13x+6=0 | | 9x-5=6x+4 | | 29-4x=5x+18 | | 5x+54=9x+14 | | 2x+24=9x-32 | | 8-7x=84-21x | | 8x-6=74 | | -64-9x=8x+18 | | 5x+2=-118-8x | | 9n-13=68 | | 14x^2+9x-65=0 | | 63-3x=2x+9x | | a+a=2a | | 2x^2-18=0 | | 117-2x=25x+24 | | 14-7x=114-35x | | -55-8x=7x+20 |

Equations solver categories