10x^2+20x-1x-15=0

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Solution for 10x^2+20x-1x-15=0 equation:


Simplifying
10x2 + 20x + -1x + -15 = 0

Reorder the terms:
-15 + 20x + -1x + 10x2 = 0

Combine like terms: 20x + -1x = 19x
-15 + 19x + 10x2 = 0

Solving
-15 + 19x + 10x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(-5 + -2x)' equal to zero and attempt to solve: Simplifying -5 + -2x = 0 Solving -5 + -2x = 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 + -2x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2x = 0 + 5 -2x = 0 + 5 Combine like terms: 0 + 5 = 5 -2x = 5 Divide each side by '-2'. x = -2.5 Simplifying x = -2.5

Subproblem 2

Set the factor '(3 + -5x)' equal to zero and attempt to solve: Simplifying 3 + -5x = 0 Solving 3 + -5x = 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 + -5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5x = 0 + -3 -5x = 0 + -3 Combine like terms: 0 + -3 = -3 -5x = -3 Divide each side by '-5'. x = 0.6 Simplifying x = 0.6

Solution

x = {-2.5, 0.6}

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