(y-8)(y+4)=

Simple and best practice solution for (y-8)(y+4)= 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 (y-8)(y+4)= equation:


Simplifying
(y + -8)(y + 4) = 0

Reorder the terms:
(-8 + y)(y + 4) = 0

Reorder the terms:
(-8 + y)(4 + y) = 0

Multiply (-8 + y) * (4 + y)
(-8(4 + y) + y(4 + y)) = 0
((4 * -8 + y * -8) + y(4 + y)) = 0
((-32 + -8y) + y(4 + y)) = 0
(-32 + -8y + (4 * y + y * y)) = 0
(-32 + -8y + (4y + y2)) = 0

Combine like terms: -8y + 4y = -4y
(-32 + -4y + y2) = 0

Solving
-32 + -4y + y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-4 + -1y)(8 + -1y) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(8 + -1y)' equal to zero and attempt to solve: Simplifying 8 + -1y = 0 Solving 8 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1y = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1y = 0 + -8 -1y = 0 + -8 Combine like terms: 0 + -8 = -8 -1y = -8 Divide each side by '-1'. y = 8 Simplifying y = 8

Solution

y = {-4, 8}

See similar equations:

| 2(b+1)-(4+b)=-3 | | 4(2z-3)=7(z+5) | | 1-ln(x)=0 | | .25(10x-9)=8 | | 4(2z-3)=(z+5) | | y=2x^3+5x^2-13x-30 | | 25(10x-9)=8 | | 3u+18u^2-14u^3=0 | | 4(2z-3)+(z+5)= | | 3u= | | s^2-10s+21=0 | | 5+=5 | | 4x-3x-7=60-2x-13 | | 4x-3x+7=60-2x-13 | | 9x+3x-9x=6+8x-1 | | 8x^2+10x-2=0 | | y=8x^2+10x-2 | | 89x+x=180 | | 5x+4=3x-2x+8 | | x=1+3u+18u^2-14u^3 | | 5*2x=x | | -15+6a=5a-32 | | 4y+6xy=10 | | p(x)=4x^2-3 | | 17+m=2m+8 | | 5r+22=4r+50 | | 9z=2z-49 | | 4x^2-1=3x+15 | | 5p-10=4p-33 | | 4h-2=2h+18 | | 9t+5=7-2t | | 8x+13=27 |

Equations solver categories