3x^2+15x=108

Simple and best practice solution for 3x^2+15x=108 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 3x^2+15x=108 equation:


Simplifying
3x2 + 15x = 108

Reorder the terms:
15x + 3x2 = 108

Solving
15x + 3x2 = 108

Solving for variable 'x'.

Reorder the terms:
-108 + 15x + 3x2 = 108 + -108

Combine like terms: 108 + -108 = 0
-108 + 15x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-36 + 5x + x2) = 0

Factor a trinomial.
3((-9 + -1x)(4 + -1x)) = 0

Ignore the factor 3.

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 '(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

Solution

x = {-9, 4}

See similar equations:

| 9x^2-56x+12=0 | | 10m^2-3m-4= | | z/2+3/2-z/3-4/3=4-6z | | x+1y=y | | 3(5x+6)=42+3x | | 0=6x^2-x-1 | | (x-5)(x+3)=33 | | y=6x^2-x-1 | | 2x^3-28x^2+98x=0 | | (n-10)*10=80 | | (n-7)*6=18 | | 81x^3-64=0 | | -3-5(3x-2)=-8 | | x(12x-84)=-113 | | (x+2)(3x-1)=0 | | 2x+5x-12=6x-9x+12 | | 5x-8=x-9 | | 11x^2+2y^2+66x-16y+45=0 | | -5x+11=-64 | | 16x^4+6=7 | | 6X-3Y-8=0 | | 8x^2+56x+8y^2-48y+42=0 | | 22x+7=-4x+15 | | 8n+7n=10+5 | | 5x+3=-1 | | x-17=30 | | 3x^5+8x^3+2x=0 | | p=2g+2z | | 4z+2(z+4)=z+1 | | x^2-6=-2 | | y=(x-1)2+3 | | 3x*4-6=4x |

Equations solver categories