20x^2-3=11x

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Solution for 20x^2-3=11x equation:


Simplifying
20x2 + -3 = 11x

Reorder the terms:
-3 + 20x2 = 11x

Solving
-3 + 20x2 = 11x

Solving for variable 'x'.

Reorder the terms:
-3 + -11x + 20x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
-3 + -11x + 20x2 = 0

Factor a trinomial.
(-1 + -5x)(3 + -4x) = 0

Subproblem 1

Set the factor '(-1 + -5x)' equal to zero and attempt to solve: Simplifying -1 + -5x = 0 Solving -1 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -5x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -5x = 0 + 1 -5x = 0 + 1 Combine like terms: 0 + 1 = 1 -5x = 1 Divide each side by '-5'. x = -0.2 Simplifying x = -0.2

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 = {-0.2, 0.75}

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