20x^2+39x+15=-3

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Solution for 20x^2+39x+15=-3 equation:


Simplifying
20x2 + 39x + 15 = -3

Reorder the terms:
15 + 39x + 20x2 = -3

Solving
15 + 39x + 20x2 = -3

Solving for variable 'x'.

Reorder the terms:
15 + 3 + 39x + 20x2 = -3 + 3

Combine like terms: 15 + 3 = 18
18 + 39x + 20x2 = -3 + 3

Combine like terms: -3 + 3 = 0
18 + 39x + 20x2 = 0

Factor a trinomial.
(6 + 5x)(3 + 4x) = 0

Subproblem 1

Set the factor '(6 + 5x)' equal to zero and attempt to solve: Simplifying 6 + 5x = 0 Solving 6 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + 5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 5x = 0 + -6 5x = 0 + -6 Combine like terms: 0 + -6 = -6 5x = -6 Divide each side by '5'. x = -1.2 Simplifying x = -1.2

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 = {-1.2, -0.75}

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