144=(15-x)(22-x)

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Solution for 144=(15-x)(22-x) equation:


Simplifying
144 = (15 + -1x)(22 + -1x)

Multiply (15 + -1x) * (22 + -1x)
144 = (15(22 + -1x) + -1x * (22 + -1x))
144 = ((22 * 15 + -1x * 15) + -1x * (22 + -1x))
144 = ((330 + -15x) + -1x * (22 + -1x))
144 = (330 + -15x + (22 * -1x + -1x * -1x))
144 = (330 + -15x + (-22x + 1x2))

Combine like terms: -15x + -22x = -37x
144 = (330 + -37x + 1x2)

Solving
144 = 330 + -37x + 1x2

Solving for variable 'x'.

Combine like terms: 144 + -330 = -186
-186 + 37x + -1x2 = 330 + -37x + 1x2 + -330 + 37x + -1x2

Reorder the terms:
-186 + 37x + -1x2 = 330 + -330 + -37x + 37x + 1x2 + -1x2

Combine like terms: 330 + -330 = 0
-186 + 37x + -1x2 = 0 + -37x + 37x + 1x2 + -1x2
-186 + 37x + -1x2 = -37x + 37x + 1x2 + -1x2

Combine like terms: -37x + 37x = 0
-186 + 37x + -1x2 = 0 + 1x2 + -1x2
-186 + 37x + -1x2 = 1x2 + -1x2

Combine like terms: 1x2 + -1x2 = 0
-186 + 37x + -1x2 = 0

Factor a trinomial.
(-31 + x)(6 + -1x) = 0

Subproblem 1

Set the factor '(-31 + x)' equal to zero and attempt to solve: Simplifying -31 + x = 0 Solving -31 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '31' to each side of the equation. -31 + 31 + x = 0 + 31 Combine like terms: -31 + 31 = 0 0 + x = 0 + 31 x = 0 + 31 Combine like terms: 0 + 31 = 31 x = 31 Simplifying x = 31

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {31, 6}

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