15x^2-53x-28=0

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Solution for 15x^2-53x-28=0 equation:


Simplifying
15x2 + -53x + -28 = 0

Reorder the terms:
-28 + -53x + 15x2 = 0

Solving
-28 + -53x + 15x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -15x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -15x)' equal to zero and attempt to solve: Simplifying -7 + -15x = 0 Solving -7 + -15x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -15x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -15x = 0 + 7 -15x = 0 + 7 Combine like terms: 0 + 7 = 7 -15x = 7 Divide each side by '-15'. x = -0.4666666667 Simplifying x = -0.4666666667

Subproblem 2

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

Solution

x = {-0.4666666667, 4}

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