45x^2+42x=24

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Solution for 45x^2+42x=24 equation:


Simplifying
45x2 + 42x = 24

Reorder the terms:
42x + 45x2 = 24

Solving
42x + 45x2 = 24

Solving for variable 'x'.

Reorder the terms:
-24 + 42x + 45x2 = 24 + -24

Combine like terms: 24 + -24 = 0
-24 + 42x + 45x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-8 + 14x + 15x2) = 0

Factor a trinomial.
3((-4 + -3x)(2 + -5x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-4 + -3x)' equal to zero and attempt to solve: Simplifying -4 + -3x = 0 Solving -4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -3x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -3x = 0 + 4 -3x = 0 + 4 Combine like terms: 0 + 4 = 4 -3x = 4 Divide each side by '-3'. x = -1.333333333 Simplifying x = -1.333333333

Subproblem 2

Set the factor '(2 + -5x)' equal to zero and attempt to solve: Simplifying 2 + -5x = 0 Solving 2 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5x = 0 + -2 -5x = 0 + -2 Combine like terms: 0 + -2 = -2 -5x = -2 Divide each side by '-5'. x = 0.4 Simplifying x = 0.4

Solution

x = {-1.333333333, 0.4}

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