(8+y)(2y-7)=0

Simple and best practice solution for (8+y)(2y-7)=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 (8+y)(2y-7)=0 equation: 


Simplifying
(8 + y)(2y + -7) = 0

Reorder the terms:
(8 + y)(-7 + 2y) = 0

Multiply (8 + y) * (-7 + 2y)
(8(-7 + 2y) + y(-7 + 2y)) = 0
((-7 * 8 + 2y * 8) + y(-7 + 2y)) = 0
((-56 + 16y) + y(-7 + 2y)) = 0
(-56 + 16y + (-7 * y + 2y * y)) = 0
(-56 + 16y + (-7y + 2y2)) = 0

Combine like terms: 16y + -7y = 9y
(-56 + 9y + 2y2) = 0

Solving
-56 + 9y + 2y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-8 + -1y)(7 + -2y) = 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 + -2y)' equal to zero and attempt to solve:

Simplifying
7 + -2y = 0

Solving
7 + -2y = 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 + -2y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -2y = 0 + -7
-2y = 0 + -7

Combine like terms: 0 + -7 = -7
-2y = -7

Divide each side by '-2'.
y = 3.5

Simplifying
y = 3.5
Solution
y = {-8, 3.5}

See similar equations:

| 3x^8= | | 5(-7x-14)=-455 | | -1(d-4)=13 | | -4(-6-4n)=-104 | | 90+45=n | | 6.5+r/7.5=8.9 | | 2a+26=3a+20 | | 21x^2+4x-1= | | 6+5-(4X+8)=186 | | 19+15bc-3bc+2= | | -3.3+2.5n=-2.8 | | -201=9(-5x+17) | | x^2-36=x | | 25x-y=150 | | f+4.7/8.4=4.5 | | 4m+5=29+5m | | 4(x+-5)=25 | | 5.4v+9.5=-4.5 | | 8x+8=3x-13 | | -w^2=4-4w | | 10x^2+3x-1= | | 3.4-y/5.3=9.1 | | 4x^2=-10x-5 | | 12z^2-16z+5=0 | | 4+5-6=2x+18 | | 5u+15=5 | | x*2=21 | | 4x+5x-9=90 | | -3(2r-1)+r=-72 | | 200=-1000x^2+1100x+2.5 | | 200=-1000x^2+1100x | | 6x+12=4x+16 |

Equations solver categories