5x^2+7x-16=20-17x

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Solution for 5x^2+7x-16=20-17x equation:


Simplifying
5x2 + 7x + -16 = 20 + -17x

Reorder the terms:
-16 + 7x + 5x2 = 20 + -17x

Solving
-16 + 7x + 5x2 = 20 + -17x

Solving for variable 'x'.

Reorder the terms:
-16 + -20 + 7x + 17x + 5x2 = 20 + -17x + -20 + 17x

Combine like terms: -16 + -20 = -36
-36 + 7x + 17x + 5x2 = 20 + -17x + -20 + 17x

Combine like terms: 7x + 17x = 24x
-36 + 24x + 5x2 = 20 + -17x + -20 + 17x

Reorder the terms:
-36 + 24x + 5x2 = 20 + -20 + -17x + 17x

Combine like terms: 20 + -20 = 0
-36 + 24x + 5x2 = 0 + -17x + 17x
-36 + 24x + 5x2 = -17x + 17x

Combine like terms: -17x + 17x = 0
-36 + 24x + 5x2 = 0

Factor a trinomial.
(-6 + -1x)(6 + -5x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(6 + -5x)' equal to zero and attempt to solve: Simplifying 6 + -5x = 0 Solving 6 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5x = 0 + -6 -5x = 0 + -6 Combine like terms: 0 + -6 = -6 -5x = -6 Divide each side by '-5'. x = 1.2 Simplifying x = 1.2

Solution

x = {-6, 1.2}

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