(x-9)(x-5)=45

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Solution for (x-9)(x-5)=45 equation:


Simplifying
(x + -9)(x + -5) = 45

Reorder the terms:
(-9 + x)(x + -5) = 45

Reorder the terms:
(-9 + x)(-5 + x) = 45

Multiply (-9 + x) * (-5 + x)
(-9(-5 + x) + x(-5 + x)) = 45
((-5 * -9 + x * -9) + x(-5 + x)) = 45
((45 + -9x) + x(-5 + x)) = 45
(45 + -9x + (-5 * x + x * x)) = 45
(45 + -9x + (-5x + x2)) = 45

Combine like terms: -9x + -5x = -14x
(45 + -14x + x2) = 45

Add '-45' to each side of the equation.
45 + -14x + -45 + x2 = 45 + -45

Reorder the terms:
45 + -45 + -14x + x2 = 45 + -45

Combine like terms: 45 + -45 = 0
0 + -14x + x2 = 45 + -45
-14x + x2 = 45 + -45

Combine like terms: 45 + -45 = 0
-14x + x2 = 0

Solving
-14x + x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-14 + x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-14 + x)' equal to zero and attempt to solve: Simplifying -14 + x = 0 Solving -14 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + x = 0 + 14 Combine like terms: -14 + 14 = 0 0 + x = 0 + 14 x = 0 + 14 Combine like terms: 0 + 14 = 14 x = 14 Simplifying x = 14

Solution

x = {0, 14}

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