5x^2+2x-72=0

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Solution for 5x^2+2x-72=0 equation:


Simplifying
5x2 + 2x + -72 = 0

Reorder the terms:
-72 + 2x + 5x2 = 0

Solving
-72 + 2x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -1x)(18 + -5x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 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 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(18 + -5x)' equal to zero and attempt to solve: Simplifying 18 + -5x = 0 Solving 18 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -5x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -5x = 0 + -18 -5x = 0 + -18 Combine like terms: 0 + -18 = -18 -5x = -18 Divide each side by '-5'. x = 3.6 Simplifying x = 3.6

Solution

x = {-4, 3.6}

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