2(x^2-20)+17x=-10x^2

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Solution for 2(x^2-20)+17x=-10x^2 equation:


Simplifying
2(x2 + -20) + 17x = -10x2

Reorder the terms:
2(-20 + x2) + 17x = -10x2
(-20 * 2 + x2 * 2) + 17x = -10x2
(-40 + 2x2) + 17x = -10x2

Reorder the terms:
-40 + 17x + 2x2 = -10x2

Solving
-40 + 17x + 2x2 = -10x2

Solving for variable 'x'.

Combine like terms: 2x2 + 10x2 = 12x2
-40 + 17x + 12x2 = -10x2 + 10x2

Combine like terms: -10x2 + 10x2 = 0
-40 + 17x + 12x2 = 0

Factor a trinomial.
(-8 + -3x)(5 + -4x) = 0

Subproblem 1

Set the factor '(-8 + -3x)' equal to zero and attempt to solve: Simplifying -8 + -3x = 0 Solving -8 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -3x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -3x = 0 + 8 -3x = 0 + 8 Combine like terms: 0 + 8 = 8 -3x = 8 Divide each side by '-3'. x = -2.666666667 Simplifying x = -2.666666667

Subproblem 2

Set the factor '(5 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 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 + -4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x = 0 + -5 -4x = 0 + -5 Combine like terms: 0 + -5 = -5 -4x = -5 Divide each side by '-4'. x = 1.25 Simplifying x = 1.25

Solution

x = {-2.666666667, 1.25}

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