-2a^2-22a-56=0

Simple and best practice solution for -2a^2-22a-56=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^2-22a-56=0 equation:


Simplifying
-2a2 + -22a + -56 = 0

Reorder the terms:
-56 + -22a + -2a2 = 0

Solving
-56 + -22a + -2a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '-2'.
-2(28 + 11a + a2) = 0

Factor a trinomial.
-2((7 + a)(4 + a)) = 0

Ignore the factor -2.

Subproblem 1

Set the factor '(7 + a)' equal to zero and attempt to solve: Simplifying 7 + a = 0 Solving 7 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + a = 0 + -7 a = 0 + -7 Combine like terms: 0 + -7 = -7 a = -7 Simplifying a = -7

Subproblem 2

Set the factor '(4 + a)' equal to zero and attempt to solve: Simplifying 4 + a = 0 Solving 4 + a = 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 + a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + a = 0 + -4 a = 0 + -4 Combine like terms: 0 + -4 = -4 a = -4 Simplifying a = -4

Solution

a = {-7, -4}

See similar equations:

| x*2-25x=0 | | 2m+12=3m-13 | | 3n^2+4n=0 | | 0.25=4a-2b+c | | 3y+1=2y | | -3x+5=0.5-2 | | 6-2x+6x=-22 | | 4x-5=3x+-9 | | 5p^2-16p+3=0 | | 5.7x-4.5-5.3=0.6x-4.2 | | 10x+4x+4+7=9x+3+4x | | x^2+10-24=0 | | 4x+5=2(x+5) | | 2x+-2=26 | | x+x+4=180 | | 5x^6-9x^4+x^3-9x^2+9x=8 | | 2(x-1)+6=10(1-x)-6 | | 2n^2-9n-5=0 | | 2y+3y+1=180 | | 2y+3y+1= | | 5x^6-9x^4+x^3-9x^2+9x-8=0 | | 5x+25=3x-5 | | 9m-7=4m+8 | | 5x+36-6x=1-9x+3 | | ln(x+1)-ln(x)=0.85 | | 2a-4=2(a+1)+7a+2 | | (90-y)+y=90 | | 11n=3+10n | | 3(5j+2)=2(3j-7) | | 24=6+8+c | | 22=x+1+2x | | 2x-9+x=34 |

Equations solver categories