3x(3x+4)=-4

Simple and best practice solution for 3x(3x+4)=-4 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(3x+4)=-4 equation:


Simplifying
3x(3x + 4) = -4

Reorder the terms:
3x(4 + 3x) = -4
(4 * 3x + 3x * 3x) = -4
(12x + 9x2) = -4

Solving
12x + 9x2 = -4

Solving for variable 'x'.

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

Combine like terms: -4 + 4 = 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:

| 15-8xy= | | 8+5n=43 | | (6u+6v)(6u+6v)= | | -2x-8= | | w^2-7w-8= | | 8b+b=27 | | Aw-x=3 | | 8x+16-5x=7x | | -9x-8=3x+10 | | 3(2y+5)=45 | | 3x+5-10=0 | | 10b-7= | | 4x=10y | | x^2+28=8x | | 2(b+5)=0 | | 7n-3n=16 | | 10x+4-3x=-10 | | 2.5x+3=x | | 5a+8=3a-8 | | q^2-8q+12= | | (5x-4y)(5x-4y)= | | 10x-y=2 | | n^2+10n-5=0 | | 5x^2+12x+8=0 | | -2x^2-2x+3=0 | | -2x^2-2x+3=2 | | (3a-4b-5)-(-4b+9)= | | x^4-7x+12=0 | | n^2=5-10n | | 3x-15=.2x-5 | | -16=-6-8X | | 2(-2x-4)+12=-60 |

Equations solver categories