12=4x+x^2

Simple and best practice solution for 12=4x+x^2 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=4x+x^2 equation:


Simplifying
12 = 4x + x2

Solving
12 = 4x + x2

Solving for variable 'x'.

Reorder the terms:
12 + -4x + -1x2 = 4x + -4x + x2 + -1x2

Combine like terms: 4x + -4x = 0
12 + -4x + -1x2 = 0 + x2 + -1x2
12 + -4x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
12 + -4x + -1x2 = 0

Factor a trinomial.
(2 + -1x)(6 + x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 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 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Solution

x = {2, -6}

See similar equations:

| f(x)=-2x^2+6x+3 | | 8x^2y+7y=9 | | f-7(5-f)=-59 | | 5x+7x=212 | | 6n-1=4n+2 | | 2a+3s+24=5a | | -25=5+10c | | y-2=0(x+4) | | 8^3x-1=(1/32)^2x-3 | | X-2.13=4.5 | | Logx=51 | | .3x=1.5 | | (x^2+y^2)dx+(x^2-y^2)dy=0 | | 36/12=18/b | | 8-2y=36 | | 8/n=2/5 | | 9y=2x-1 | | A/9=9/27 | | 6w^2-4w/2w^2-10w | | 11-1/10×=10 | | 70=(((500*(100/2))-(M*(500))-(2))/((1/6)*(M)*(100^3))) | | 8=-7/w-7 | | 0=7x-2x^2 | | 5x^3=15.625 | | 50x=1120 | | 40x=1120 | | (1/6)(m+2)=(1/4)(5-m) | | 9x-7=73-7x | | 16y^3=0 | | 25Z=4 | | 8x+y+5=0 | | 14+2.866666667t+t^2=0 |

Equations solver categories