3x^2+72=33x

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Solution for 3x^2+72=33x equation:


Simplifying
3x2 + 72 = 33x

Reorder the terms:
72 + 3x2 = 33x

Solving
72 + 3x2 = 33x

Solving for variable 'x'.

Reorder the terms:
72 + -33x + 3x2 = 33x + -33x

Combine like terms: 33x + -33x = 0
72 + -33x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(24 + -11x + x2) = 0

Factor a trinomial.
3((3 + -1x)(8 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {3, 8}

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