(8y-9)(8y-9)=

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Solution for (8y-9)(8y-9)= equation: 


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

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

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

Multiply (-9 + 8y) * (-9 + 8y)
(-9(-9 + 8y) + 8y * (-9 + 8y)) = 0
((-9 * -9 + 8y * -9) + 8y * (-9 + 8y)) = 0
((81 + -72y) + 8y * (-9 + 8y)) = 0
(81 + -72y + (-9 * 8y + 8y * 8y)) = 0
(81 + -72y + (-72y + 64y2)) = 0

Combine like terms: -72y + -72y = -144y
(81 + -144y + 64y2) = 0

Solving
81 + -144y + 64y2 = 0

Solving for variable 'y'.

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


Subproblem 1
Set the factor '(9 + -8y)' equal to zero and attempt to solve:

Simplifying
9 + -8y = 0

Solving
9 + -8y = 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 + -8y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -8y = 0 + -9
-8y = 0 + -9

Combine like terms: 0 + -9 = -9
-8y = -9

Divide each side by '-8'.
y = 1.125

Simplifying
y = 1.125

Subproblem 2
Set the factor '(9 + -8y)' equal to zero and attempt to solve:

Simplifying
9 + -8y = 0

Solving
9 + -8y = 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 + -8y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -8y = 0 + -9
-8y = 0 + -9

Combine like terms: 0 + -9 = -9
-8y = -9

Divide each side by '-8'.
y = 1.125

Simplifying
y = 1.125
Solution
y = {1.125, 1.125}

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