x(x+7)=36-2x

Simple and best practice solution for x(x+7)=36-2x 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(x+7)=36-2x equation:


Simplifying
x(x + 7) = 36 + -2x

Reorder the terms:
x(7 + x) = 36 + -2x
(7 * x + x * x) = 36 + -2x
(7x + x2) = 36 + -2x

Solving
7x + x2 = 36 + -2x

Solving for variable 'x'.

Reorder the terms:
-36 + 7x + 2x + x2 = 36 + -2x + -36 + 2x

Combine like terms: 7x + 2x = 9x
-36 + 9x + x2 = 36 + -2x + -36 + 2x

Reorder the terms:
-36 + 9x + x2 = 36 + -36 + -2x + 2x

Combine like terms: 36 + -36 = 0
-36 + 9x + x2 = 0 + -2x + 2x
-36 + 9x + x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
-36 + 9x + x2 = 0

Factor a trinomial.
(-12 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-12 + -1x)' equal to zero and attempt to solve: Simplifying -12 + -1x = 0 Solving -12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -1x = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -1x = 0 + 12 -1x = 0 + 12 Combine like terms: 0 + 12 = 12 -1x = 12 Divide each side by '-1'. x = -12 Simplifying x = -12

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 = {-12, 3}

See similar equations:

| 0.25(x+20)=30 | | 14x-3x-6+x=4x-3-x-21 | | X-3(5x-5)=15-3x | | (4/3)2+2x=240 | | -9-3x-8x+16=3x+8-x+12 | | 21=4n-3-n | | 3-5x+3=96 | | -154-9x=134-37x | | -9x-3x-8x+16=3x+8-x+12 | | 5/4x+3=7/2 | | x+0(0)=-5 | | 3x-36=4x-28 | | 5+y=7+5y | | x/2-8=3/4 | | 9(-3x+4)-16=3+2(x-6) | | y=x+2slope | | 0+0y=-5 | | 16-3y+4v=27 | | (5-x)/2+(4x-3)/3=4 | | 0.5/y=1.5/9 | | D=5/4(m-99) | | 26-8x-3x+4=-7x+5+3x-3 | | 4w-8w=-20 | | 7(7+5m)+m(m+6)4= | | 2x^4-9x^3=23 | | 4(3-0)+0=22+20 | | 8t+4t=600 | | (2x^4)-(9x^3)=23 | | 81x^2+121y^2=0 | | x+y=2o | | 11x-33=-2-9 | | j=2.5+3h |

Equations solver categories