y^2-7y+8=16

Simple and best practice solution for y^2-7y+8=16 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^2-7y+8=16 equation:


Simplifying
y2 + -7y + 8 = 16

Reorder the terms:
8 + -7y + y2 = 16

Solving
8 + -7y + y2 = 16

Solving for variable 'y'.

Reorder the terms:
8 + -16 + -7y + y2 = 16 + -16

Combine like terms: 8 + -16 = -8
-8 + -7y + y2 = 16 + -16

Combine like terms: 16 + -16 = 0
-8 + -7y + y2 = 0

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

Subproblem 1

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

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 = {-1, 8}

See similar equations:

| 21-4y=y^2 | | 106-5x=9x+22 | | 8x+5(2x+3)=195 | | 4x+2=200 | | 12=2a-2 | | x^3+4=0 | | 2(x-1)=-4x+46 | | .25a=8 | | 7(3x-5)=77x | | 81y^2=9 | | 6+-22= | | 151=5x+2(7x-10) | | 6x-2=13x-37 | | 4x^2-13x+36=8x+9 | | 40+-4= | | 19+y=56 | | 6x^2+13x-63=0 | | 14x+4=15x-8 | | x^3+y+3x^3+7y= | | 5m=-3+2m | | 100a-75=225 | | 7x+8=12x-3 | | 50x=16x | | 15x-10=35 | | -g^2+7g=6 | | f^2+6f+9=0 | | 9x+40=-23 | | 8c+1=7c-14-2c | | 7=-4x-9 | | -e^2+16=0 | | 15x^2-27x-6=0 | | d^2+7d=-10 |

Equations solver categories