y^2+8y-7y-56=

Simple and best practice solution for y^2+8y-7y-56= 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^2+8y-7y-56= equation:


Simplifying
y2 + 8y + -7y + -56 = 0

Reorder the terms:
-56 + 8y + -7y + y2 = 0

Combine like terms: 8y + -7y = 1y
-56 + 1y + y2 = 0

Solving
-56 + 1y + y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-8 + -1y)(7 + -1y) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -1y)' equal to zero and attempt to solve: Simplifying 7 + -1y = 0 Solving 7 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1y = 0 + -7 -1y = 0 + -7 Combine like terms: 0 + -7 = -7 -1y = -7 Divide each side by '-1'. y = 7 Simplifying y = 7

Solution

y = {-8, 7}

See similar equations:

| x+5(2)=x-4 | | 15x+18y=8 | | 2m^2+22m+48=0 | | 5(4x-2)=x+4 | | 7x-10=-2(x+6)+2 | | In(x+1)squared=2 | | s-1.4(11)=4.6 | | 5(x+5)=9x+2-4x+23 | | 4(x-5)+5=2x-1 | | 2x^2+9x+32=0 | | (4/7)-(1/3) | | 15x+64=8x+4 | | -0.6n-7.2=0.6n+2.4 | | y^2+3y-4y-12= | | 1/3w=1/8 | | 8x-32=9x-9 | | x+3(-0.75x+0.5)=4 | | 20p+-14p-13p=14 | | x+3(0.75x+0.5)=4 | | .25x+2=.75x | | 2(j+19)-10=-10 | | 7-7/2 | | s-1.4x=4.6 | | 10x-15+8=32 | | x^2+2x+19= | | -2(k-14)+4=-6 | | 2p+5q=15 | | 2m+12=m+15 | | 12x+2=-8+22 | | 7.3d+14.26=6.4d+1.93 | | X^2+22x+110=0 | | 2x^2y^4+4x^3y^3= |

Equations solver categories