(5w-9)(8-w)=0

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Solution for (5w-9)(8-w)=0 equation: 


Simplifying
(5w + -9)(8 + -1w) = 0

Reorder the terms:
(-9 + 5w)(8 + -1w) = 0

Multiply (-9 + 5w) * (8 + -1w)
(-9(8 + -1w) + 5w * (8 + -1w)) = 0
((8 * -9 + -1w * -9) + 5w * (8 + -1w)) = 0
((-72 + 9w) + 5w * (8 + -1w)) = 0
(-72 + 9w + (8 * 5w + -1w * 5w)) = 0
(-72 + 9w + (40w + -5w2)) = 0

Combine like terms: 9w + 40w = 49w
(-72 + 49w + -5w2) = 0

Solving
-72 + 49w + -5w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(-8 + w)(9 + -5w) = 0


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

Simplifying
-8 + w = 0

Solving
-8 + w = 0

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

Add '8' to each side of the equation.
-8 + 8 + w = 0 + 8

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

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

Simplifying
w = 8

Subproblem 2
Set the factor '(9 + -5w)' equal to zero and attempt to solve:

Simplifying
9 + -5w = 0

Solving
9 + -5w = 0

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

Add '-9' to each side of the equation.
9 + -9 + -5w = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -5w = 0 + -9
-5w = 0 + -9

Combine like terms: 0 + -9 = -9
-5w = -9

Divide each side by '-5'.
w = 1.8

Simplifying
w = 1.8
Solution
w = {8, 1.8}

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