(2a-4)(3a+12)=0

Simple and best practice solution for (2a-4)(3a+12)=0 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 (2a-4)(3a+12)=0 equation:


Simplifying
(2a + -4)(3a + 12) = 0

Reorder the terms:
(-4 + 2a)(3a + 12) = 0

Reorder the terms:
(-4 + 2a)(12 + 3a) = 0

Multiply (-4 + 2a) * (12 + 3a)
(-4(12 + 3a) + 2a * (12 + 3a)) = 0
((12 * -4 + 3a * -4) + 2a * (12 + 3a)) = 0
((-48 + -12a) + 2a * (12 + 3a)) = 0
(-48 + -12a + (12 * 2a + 3a * 2a)) = 0
(-48 + -12a + (24a + 6a2)) = 0

Combine like terms: -12a + 24a = 12a
(-48 + 12a + 6a2) = 0

Solving
-48 + 12a + 6a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-8 + 2a + a2) = 0

Factor a trinomial.
6((-4 + -1a)(2 + -1a)) = 0

Ignore the factor 6.

Subproblem 1

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

Subproblem 2

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

Solution

a = {-4, 2}

See similar equations:

| 3x+(54x+76)=754 | | 65-4x=23x+20 | | 9x+5y+8= | | A=2(x+12) | | 36=a+3+11 | | -76-10x=10x+24 | | 59-2x=7x+19 | | 36=12+3+c | | 40=2(x+12) | | a=9*3 | | 10-8x=41-15x | | 3x+4x-8+4x-4x= | | 61=69.09+2.24x | | 36=12+b+11 | | 48=4s | | 6x+20+x+12= | | (9x+5y)= | | 5x+9=-11 | | x/2-5=-9 | | -3x-2z=-11 | | 8x-3(x-1)=18 | | -x-2=15 | | (x-3)(x+4)=3 | | x^2-36x+324=0 | | k^2+3k=0 | | 16x+48=3 | | x/2+4=-2 | | -x+7=-11 | | -12=-5x+38 | | (2t-1)(t+2)=-3 | | x/4-2=3 | | 3x+27x^2=0 |

Equations solver categories