3x^2=24x-45

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Solution for 3x^2=24x-45 equation:


Simplifying
3x2 = 24x + -45

Reorder the terms:
3x2 = -45 + 24x

Solving
3x2 = -45 + 24x

Solving for variable 'x'.

Reorder the terms:
45 + -24x + 3x2 = -45 + 24x + 45 + -24x

Reorder the terms:
45 + -24x + 3x2 = -45 + 45 + 24x + -24x

Combine like terms: -45 + 45 = 0
45 + -24x + 3x2 = 0 + 24x + -24x
45 + -24x + 3x2 = 24x + -24x

Combine like terms: 24x + -24x = 0
45 + -24x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(15 + -8x + x2) = 0

Factor a trinomial.
3((3 + -1x)(5 + -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 '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {3, 5}

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