12x+4=-9x^2

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


Simplifying
12x + 4 = -9x2

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

Solving
4 + 12x = -9x2

Solving for variable 'x'.

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

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

Subproblem 1

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 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 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 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 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-0.6666666667, -0.6666666667}

See similar equations:

| -2(x+6)+5x=3(x-1) | | 6k^2+5kp-6p^2=0 | | 3x-14=4x-22 | | 15+6k=4-9k | | -36-4k=-5(1+7k) | | -9x+25+11x+23=-2 | | 9X^2-38x-44=0 | | 8x+12=64 | | 12(3+y)=5(2x+8) | | 5x^2+8x-46=2 | | 2x^3-2x^2-4x-500000=0 | | 3(x-4)=-5(x+2) | | -15-6c+3b-6c+9-2b= | | 3(x+3)=42 | | 12c+5a+7+(-13c)+4a= | | 2-(3x-4)=2x+5-9 | | 10x-(4x+6)+14=2x | | 9a-1+8c-8a+c= | | (7x+6)(6x+8)=0 | | -3(2z-5)=-2z+21-3z | | 3b+11c-4b-c= | | 12+3+5x=-35 | | 2(4-(x-1)+3x)=14 | | 5a-9b-a-6b= | | 16=3(2x+1)-3 | | 15x-10=5n-10 | | 9a+5=3a+-1 | | 12=3+2x | | 9=-7m+1-2 | | x/4+8=8 | | 7x^2+28x=0 | | X-(-11)=9 |

Equations solver categories