12=2x^2+5x

Simple and best practice solution for 12=2x^2+5x 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 12=2x^2+5x equation:


Simplifying
12 = 2x2 + 5x

Reorder the terms:
12 = 5x + 2x2

Solving
12 = 5x + 2x2

Solving for variable 'x'.

Reorder the terms:
12 + -5x + -2x2 = 5x + -5x + 2x2 + -2x2

Combine like terms: 5x + -5x = 0
12 + -5x + -2x2 = 0 + 2x2 + -2x2
12 + -5x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
12 + -5x + -2x2 = 0

Factor a trinomial.
(3 + -2x)(4 + x) = 0

Subproblem 1

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 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 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {1.5, -4}

See similar equations:

| -3(2s-5)-15=-3(7s+5)-3 | | 2(8+1)=22 | | 5q^2+18q=8 | | k^2-3k-10=0 | | 3x+2=81 | | (-x+9)(x-5)=0 | | 16y=2 | | 10=6(a-7) | | 2x-5=7x-30 | | 3a^2x^2+2ax=7 | | -16t^2+64t+64=0 | | 6+3(x-5)=2(x-3) | | 2x^2-8x+7=0 | | -7(4x-1)+8=-28x+15 | | -7(4x-1)+8=-25x+15 | | x+6=-4x+106 | | 5x*2-8x-4= | | 4p-1=27 | | x*2+5-14-0= | | y=3.82x+38 | | (3x-4)=35 | | 7(y+1)(3-5y)=0 | | 7n+21=21 | | 1+6x=-4x+106 | | 9x^2-25=30x-50 | | 9x^2=30x-50 | | 6(y+3)(6-5y)=0 | | 2x-8=52-2x | | (x-3)(3x+8)=0 | | -2x^2+x+6=0 | | 25v^2+5v-42= | | 8-10x=-77+5x |

Equations solver categories