2x^2+16x-70=-4

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Solution for 2x^2+16x-70=-4 equation:


Simplifying
2x2 + 16x + -70 = -4

Reorder the terms:
-70 + 16x + 2x2 = -4

Solving
-70 + 16x + 2x2 = -4

Solving for variable 'x'.

Reorder the terms:
-70 + 4 + 16x + 2x2 = -4 + 4

Combine like terms: -70 + 4 = -66
-66 + 16x + 2x2 = -4 + 4

Combine like terms: -4 + 4 = 0
-66 + 16x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-33 + 8x + x2) = 0

Factor a trinomial.
2((-11 + -1x)(3 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-11 + -1x)' equal to zero and attempt to solve: Simplifying -11 + -1x = 0 Solving -11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -1x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -1x = 0 + 11 -1x = 0 + 11 Combine like terms: 0 + 11 = 11 -1x = 11 Divide each side by '-1'. x = -11 Simplifying x = -11

Subproblem 2

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

Solution

x = {-11, 3}

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