x(x-9)=252

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Solution for x(x-9)=252 equation:


Simplifying
x(x + -9) = 252

Reorder the terms:
x(-9 + x) = 252
(-9 * x + x * x) = 252
(-9x + x2) = 252

Solving
-9x + x2 = 252

Solving for variable 'x'.

Reorder the terms:
-252 + -9x + x2 = 252 + -252

Combine like terms: 252 + -252 = 0
-252 + -9x + x2 = 0

Factor a trinomial.
(-12 + -1x)(21 + -1x) = 0

Subproblem 1

Set the factor '(-12 + -1x)' equal to zero and attempt to solve: Simplifying -12 + -1x = 0 Solving -12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -1x = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -1x = 0 + 12 -1x = 0 + 12 Combine like terms: 0 + 12 = 12 -1x = 12 Divide each side by '-1'. x = -12 Simplifying x = -12

Subproblem 2

Set the factor '(21 + -1x)' equal to zero and attempt to solve: Simplifying 21 + -1x = 0 Solving 21 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + -1x = 0 + -21 Combine like terms: 21 + -21 = 0 0 + -1x = 0 + -21 -1x = 0 + -21 Combine like terms: 0 + -21 = -21 -1x = -21 Divide each side by '-1'. x = 21 Simplifying x = 21

Solution

x = {-12, 21}

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