2(x^2-10)+3x=0

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Solution for 2(x^2-10)+3x=0 equation:


Simplifying
2(x2 + -10) + 3x = 0

Reorder the terms:
2(-10 + x2) + 3x = 0
(-10 * 2 + x2 * 2) + 3x = 0
(-20 + 2x2) + 3x = 0

Reorder the terms:
-20 + 3x + 2x2 = 0

Solving
-20 + 3x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -1x)(5 + -2x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

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

Solution

x = {-4, 2.5}

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