20x^2=7x+3

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Solution for 20x^2=7x+3 equation:


Simplifying
20x2 = 7x + 3

Reorder the terms:
20x2 = 3 + 7x

Solving
20x2 = 3 + 7x

Solving for variable 'x'.

Reorder the terms:
-3 + -7x + 20x2 = 3 + 7x + -3 + -7x

Reorder the terms:
-3 + -7x + 20x2 = 3 + -3 + 7x + -7x

Combine like terms: 3 + -3 = 0
-3 + -7x + 20x2 = 0 + 7x + -7x
-3 + -7x + 20x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
-3 + -7x + 20x2 = 0

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

Subproblem 1

Set the factor '(-1 + -4x)' equal to zero and attempt to solve: Simplifying -1 + -4x = 0 Solving -1 + -4x = 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 + -4x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4x = 0 + 1 -4x = 0 + 1 Combine like terms: 0 + 1 = 1 -4x = 1 Divide each side by '-4'. x = -0.25 Simplifying x = -0.25

Subproblem 2

Set the factor '(3 + -5x)' equal to zero and attempt to solve: Simplifying 3 + -5x = 0 Solving 3 + -5x = 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 + -5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5x = 0 + -3 -5x = 0 + -3 Combine like terms: 0 + -3 = -3 -5x = -3 Divide each side by '-5'. x = 0.6 Simplifying x = 0.6

Solution

x = {-0.25, 0.6}

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