x(x-7)-330=0

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Solution for x(x-7)-330=0 equation:


Simplifying
x(x + -7) + -330 = 0

Reorder the terms:
x(-7 + x) + -330 = 0
(-7 * x + x * x) + -330 = 0
(-7x + x2) + -330 = 0

Reorder the terms:
-330 + -7x + x2 = 0

Solving
-330 + -7x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-15 + -1x)(22 + -1x) = 0

Subproblem 1

Set the factor '(-15 + -1x)' equal to zero and attempt to solve: Simplifying -15 + -1x = 0 Solving -15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + -1x = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -1x = 0 + 15 -1x = 0 + 15 Combine like terms: 0 + 15 = 15 -1x = 15 Divide each side by '-1'. x = -15 Simplifying x = -15

Subproblem 2

Set the factor '(22 + -1x)' equal to zero and attempt to solve: Simplifying 22 + -1x = 0 Solving 22 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-22' to each side of the equation. 22 + -22 + -1x = 0 + -22 Combine like terms: 22 + -22 = 0 0 + -1x = 0 + -22 -1x = 0 + -22 Combine like terms: 0 + -22 = -22 -1x = -22 Divide each side by '-1'. x = 22 Simplifying x = 22

Solution

x = {-15, 22}

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