-9=-8x^2-16x-9

Simple and best practice solution for -9=-8x^2-16x-9 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 -9=-8x^2-16x-9 equation:


Simplifying
-9 = -8x2 + -16x + -9

Reorder the terms:
-9 = -9 + -16x + -8x2

Add '9' to each side of the equation.
-9 + 9 = -9 + -16x + 9 + -8x2

Combine like terms: -9 + 9 = 0
0 = -9 + -16x + 9 + -8x2

Reorder the terms:
0 = -9 + 9 + -16x + -8x2

Combine like terms: -9 + 9 = 0
0 = 0 + -16x + -8x2
0 = -16x + -8x2

Solving
0 = -16x + -8x2

Solving for variable 'x'.
Remove the zero:
16x + 8x2 = -16x + -8x2 + 16x + 8x2

Reorder the terms:
16x + 8x2 = -16x + 16x + -8x2 + 8x2

Combine like terms: -16x + 16x = 0
16x + 8x2 = 0 + -8x2 + 8x2
16x + 8x2 = -8x2 + 8x2

Combine like terms: -8x2 + 8x2 = 0
16x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '8x'.
8x(2 + x) = 0

Ignore the factor 8.

Subproblem 1

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

Subproblem 2

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

Solution

x = {0, -2}

See similar equations:

| -2x-2+6=-8 | | v^2+4v+4=2v^2+2v-4 | | 10a^2+33a-28=0 | | 4x-2=6x+2 | | 10a^2+33x-28=0 | | -12+5a=8 | | 7-8/6=-4 | | 21x^2+15x-6= | | x/2+3=x/2 | | 8.95+0.06k=0.10k | | 1x-3x=x | | 4x-(-7)=59 | | 10(2b+1)-4(3b+2)= | | 4u^2-19u=5 | | 3.95+0.08g=8.95+0.06g | | b/2.6=-3.8 | | 6x^2+12x-57=0 | | 1+3x-x=-7 | | -x^2+8x-5=0 | | -8x^2-16x-9=y | | 0=-16t^2+400 | | -x^2+8x+16=21 | | 1.4=c/14 | | -5x+1+4x=5 | | -65+2.5x=0 | | 3.95+0.08z=0.10z | | 2(-5)+20= | | 1/8(x-32)=7/8 | | -8x^2-16x-9= | | -7=2x-7 | | -5+16x-3x^2=0 | | 2*(-5)+20= |

Equations solver categories