(2y-9)(8-y)=0

Simple and best practice solution for (2y-9)(8-y)=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 (2y-9)(8-y)=0 equation: 


Simplifying
(2y + -9)(8 + -1y) = 0

Reorder the terms:
(-9 + 2y)(8 + -1y) = 0

Multiply (-9 + 2y) * (8 + -1y)
(-9(8 + -1y) + 2y * (8 + -1y)) = 0
((8 * -9 + -1y * -9) + 2y * (8 + -1y)) = 0
((-72 + 9y) + 2y * (8 + -1y)) = 0
(-72 + 9y + (8 * 2y + -1y * 2y)) = 0
(-72 + 9y + (16y + -2y2)) = 0

Combine like terms: 9y + 16y = 25y
(-72 + 25y + -2y2) = 0

Solving
-72 + 25y + -2y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-8 + y)(9 + -2y) = 0


Subproblem 1
Set the factor '(-8 + y)' equal to zero and attempt to solve:

Simplifying
-8 + y = 0

Solving
-8 + y = 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 + y = 0 + 8

Combine like terms: -8 + 8 = 0
0 + y = 0 + 8
y = 0 + 8

Combine like terms: 0 + 8 = 8
y = 8

Simplifying
y = 8

Subproblem 2
Set the factor '(9 + -2y)' equal to zero and attempt to solve:

Simplifying
9 + -2y = 0

Solving
9 + -2y = 0

Move all terms containing y to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + -2y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2y = 0 + -9
-2y = 0 + -9

Combine like terms: 0 + -9 = -9
-2y = -9

Divide each side by '-2'.
y = 4.5

Simplifying
y = 4.5
Solution
y = {8, 4.5}

See similar equations:

| -9x^2-30x-25=0 | | -7/3w-2/3=6w-1/2 | | 150000=x+(x*.15) | | 5x(5x+4)=12 | | 11(6+11x)=3(9x-8)-4 | | (-2x^4y)(x^5y^3)= | | (4x+1)(x-1)= | | (7-21x)3+2(3.5x-6)=0 | | x(15x+37)=66 | | (5x+8)(5x-8)= | | 6.9=y/3-2.1 | | 4x-12=2x+9 | | (4/5)^6 | | x(10x-41)=18 | | (4x+5)(x^2-2x+2)= | | 5y-7=8(y-2) | | 2(15+45c)+5/6(12+18c)=0 | | b+4/5=3b-30 | | 36*2=169 | | 18.5(10-n)=18.5 | | a+7/9=4a-112 | | 2.3(5-y)=0.2y+1.7 | | 6u-53=4u/3+3 | | 3(x-2)=4(x-7) | | 6p-326=17p/9+7 | | 7b/5+4=6b-203 | | 4d+2d-3d+4=2d | | 2X^4-12X^2=0 | | x^2-24x+14=0 | | 8t-t^2-12=0 | | 3c-36=11c/8+3 | | 11d/8+5=3d-99 |

Equations solver categories