12x=-9-4x^2

Simple and best practice solution for 12x=-9-4x^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 12x=-9-4x^2 equation:


Simplifying
12x = -9 + -4x2

Solving
12x = -9 + -4x2

Solving for variable 'x'.

Reorder the terms:
9 + 12x + 4x2 = -9 + -4x2 + 9 + 4x2

Reorder the terms:
9 + 12x + 4x2 = -9 + 9 + -4x2 + 4x2

Combine like terms: -9 + 9 = 0
9 + 12x + 4x2 = 0 + -4x2 + 4x2
9 + 12x + 4x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
9 + 12x + 4x2 = 0

Factor a trinomial.
(3 + 2x)(3 + 2x) = 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 '(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

Solution

x = {-1.5, -1.5}

See similar equations:

| 1x^2+5x-10=0 | | 20x^2-66x-14=0 | | 1x^2+1x-30=0 | | 2x+1=4.5 | | x+(x+1)=156 | | -7x+7x=+1 | | 6n+6=72 | | 8+x/6=-10 | | 3(y-3)=-2y+6 | | -2x+1=-19+2x | | a^2=9a+36 | | 9/r=3/5 | | 8y-25=2(4y+3) | | 3/8=w/4 | | 27x-9=15 | | 10x-3=7x | | 5x-59=2x-5 | | -16t+116t+101=0 | | 4+3x=x+28 | | 142-3x=33x+22 | | 4(4x+6)=3(2x+18) | | 4+5n=9 | | (w+1)(w+4)= | | 3x/2-4=5 | | 3/4(8a+20)=6a+10 | | -16-6x=8+10x | | 5=23/w | | -16-6x= | | 11x^2-600x-2890=0 | | 2x+3y=400 | | X-42=x | | -5.204-z=-18.148 |

Equations solver categories