3a(a-4)-2a(7+8a)=

Simple and best practice solution for 3a(a-4)-2a(7+8a)= 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 3a(a-4)-2a(7+8a)= equation:


Simplifying
3a(a + -4) + -2a(7 + 8a) = 0

Reorder the terms:
3a(-4 + a) + -2a(7 + 8a) = 0
(-4 * 3a + a * 3a) + -2a(7 + 8a) = 0
(-12a + 3a2) + -2a(7 + 8a) = 0
-12a + 3a2 + (7 * -2a + 8a * -2a) = 0
-12a + 3a2 + (-14a + -16a2) = 0

Reorder the terms:
-12a + -14a + 3a2 + -16a2 = 0

Combine like terms: -12a + -14a = -26a
-26a + 3a2 + -16a2 = 0

Combine like terms: 3a2 + -16a2 = -13a2
-26a + -13a2 = 0

Solving
-26a + -13a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '-13a'.
-13a(2 + a) = 0

Ignore the factor -13.

Subproblem 1

Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0

Subproblem 2

Set the factor '(2 + a)' equal to zero and attempt to solve: Simplifying 2 + a = 0 Solving 2 + a = 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 + a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + a = 0 + -2 a = 0 + -2 Combine like terms: 0 + -2 = -2 a = -2 Simplifying a = -2

Solution

a = {0, -2}

See similar equations:

| 3.3m-5-3.3m-4= | | 4a(a-4a)-2a(7+8a)= | | X^2-(2a+1)x+a^2+2=0 | | 3(x+8)-8=3x+16 | | 1.8x=9.12 | | 5x+34=-2(1-7) | | 3.5+2= | | x*2-7x-120=0 | | 3(x+8)-8=x-19 | | 5x^3+31x^2+6x= | | 2(x-5)=5x+9 | | 3m+4=5m-2 | | 12ml= | | 12+9x=20+7x | | ((5r)*2)+54=0 | | x*2+3x-130=0 | | 8x*2=0 | | 3(15+4y)+2y=10 | | (5y-7)+(6y-9)=6 | | 2+4(2+8)= | | (10+y)+2y=13 | | 2x*2-50=0 | | (0.125)x+1=16 | | A^2+7a=30 | | 2x(4x+8)=11-(x+2) | | X^4-6=0 | | y=0.34-5x | | 5+(2+n)= | | X^2-mx-2(m^2+8)=0 | | 1-4x=-x+11 | | 25t^2-64=0 | | 7x+18=5x+36 |

Equations solver categories