6x^2+21x-12=

Simple and best practice solution for 6x^2+21x-12= 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 6x^2+21x-12= equation:


Simplifying
6x2 + 21x + -12 = 0

Reorder the terms:
-12 + 21x + 6x2 = 0

Solving
-12 + 21x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-4 + 7x + 2x2) = 0

Factor a trinomial.
3((-4 + -1x)(1 + -2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-4, 0.5}

See similar equations:

| 9(x-1)+3=4x+5(-2+x) | | f/-9+2 | | -2(m-6)=12-2m | | 3(3+5x)-1=53 | | 2x^3+4x^21= | | 25a+42c=736 | | 19x+3=4(3x-1)+7x+7 | | 63=3y | | x^3+y^3=5xy | | 16.3k+19.2+7.5k=-64.4 | | A=P+PRT(R) | | 48=9x+21 | | y=13s+5d | | -4(3t-5)+9t=2t-3 | | -1/2y-3=-7 | | 5-21X(-5)+(-5)= | | 5^4b^2/5^4b | | -5(3x-1)+5=-15x+10 | | 3.5x+15=190 | | -109=-5(1-3k)-2k | | -4+11=34 | | 5+3x=-6+5(1+3x) | | 5x-9x^1/2+4=0 | | -6x-12x=-90 | | 4x+4=4(x+8) | | (x-4)/2=(x+1)/9 | | 2x^3+9x^2+4x= | | Log(9x+6)=2 | | -3x^2+6=-7 | | 3-4-2= | | (20x+5)+(9x-2)=180 | | 3x=(2x-3)(m+6) |

Equations solver categories