14x^2+30x-21=-5x

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Solution for 14x^2+30x-21=-5x equation:


Simplifying
14x2 + 30x + -21 = -5x

Reorder the terms:
-21 + 30x + 14x2 = -5x

Solving
-21 + 30x + 14x2 = -5x

Solving for variable 'x'.

Reorder the terms:
-21 + 30x + 5x + 14x2 = -5x + 5x

Combine like terms: 30x + 5x = 35x
-21 + 35x + 14x2 = -5x + 5x

Combine like terms: -5x + 5x = 0
-21 + 35x + 14x2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(-3 + 5x + 2x2) = 0

Factor a trinomial.
7((-3 + -1x)(1 + -2x)) = 0

Ignore the factor 7.

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 '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-3, 0.5}

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