324=45x-x^2

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Solution for 324=45x-x^2 equation:


Simplifying
324 = 45x + -1x2

Solving
324 = 45x + -1x2

Solving for variable 'x'.

Reorder the terms:
324 + -45x + x2 = 45x + -45x + -1x2 + x2

Combine like terms: 45x + -45x = 0
324 + -45x + x2 = 0 + -1x2 + x2
324 + -45x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
324 + -45x + x2 = 0

Factor a trinomial.
(9 + -1x)(36 + -1x) = 0

Subproblem 1

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Subproblem 2

Set the factor '(36 + -1x)' equal to zero and attempt to solve: Simplifying 36 + -1x = 0 Solving 36 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-36' to each side of the equation. 36 + -36 + -1x = 0 + -36 Combine like terms: 36 + -36 = 0 0 + -1x = 0 + -36 -1x = 0 + -36 Combine like terms: 0 + -36 = -36 -1x = -36 Divide each side by '-1'. x = 36 Simplifying x = 36

Solution

x = {9, 36}

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