4x^2+20x-20=4-9x

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Solution for 4x^2+20x-20=4-9x equation:


Simplifying
4x2 + 20x + -20 = 4 + -9x

Reorder the terms:
-20 + 20x + 4x2 = 4 + -9x

Solving
-20 + 20x + 4x2 = 4 + -9x

Solving for variable 'x'.

Reorder the terms:
-20 + -4 + 20x + 9x + 4x2 = 4 + -9x + -4 + 9x

Combine like terms: -20 + -4 = -24
-24 + 20x + 9x + 4x2 = 4 + -9x + -4 + 9x

Combine like terms: 20x + 9x = 29x
-24 + 29x + 4x2 = 4 + -9x + -4 + 9x

Reorder the terms:
-24 + 29x + 4x2 = 4 + -4 + -9x + 9x

Combine like terms: 4 + -4 = 0
-24 + 29x + 4x2 = 0 + -9x + 9x
-24 + 29x + 4x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
-24 + 29x + 4x2 = 0

Factor a trinomial.
(-8 + -1x)(3 + -4x) = 0

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 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 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

Solution

x = {-8, 0.75}

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