3x^2=-12-20x

Simple and best practice solution for 3x^2=-12-20x 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^2=-12-20x equation:


Simplifying
3x2 = -12 + -20x

Solving
3x2 = -12 + -20x

Solving for variable 'x'.

Reorder the terms:
12 + 20x + 3x2 = -12 + -20x + 12 + 20x

Reorder the terms:
12 + 20x + 3x2 = -12 + 12 + -20x + 20x

Combine like terms: -12 + 12 = 0
12 + 20x + 3x2 = 0 + -20x + 20x
12 + 20x + 3x2 = -20x + 20x

Combine like terms: -20x + 20x = 0
12 + 20x + 3x2 = 0

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

Subproblem 1

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

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 = {-6, -0.6666666667}

See similar equations:

| 4=2a^2 | | 2xsquared+5x+3=0 | | 16x-1=1499 | | 7m+3n-2n+7n= | | 2(3x-4)+7=29 | | 5-3x=8(x-2) | | 3x-4=12x-4 | | M^3=1000 | | 3(x+4)=3(x+12) | | 4d+11e+10d+9e= | | 3(45)+6h=303 | | x+x+2x=20 | | 160=8(-8p-4) | | 6a^2+11a+10=0 | | 1/3×3.14 | | 16x-1=1599 | | -4a+5b=5 | | -x-14=13 | | 4p^2-7x=3 | | p=164+3y | | 3(5x-4)+3=10x+6 | | t+-74=-98 | | p+6=8 | | 3y+p=164 | | 3q=8.76 | | 3=2k-1 | | 3x-8y=-2 | | 4w=12.4 | | 3x+2+x=90 | | 7.13=m+1.13 | | y=6(x-2) | | 2n^2-8n=-8 |

Equations solver categories