15x^2+47x=-28

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Solution for 15x^2+47x=-28 equation:


Simplifying
15x2 + 47x = -28

Reorder the terms:
47x + 15x2 = -28

Solving
47x + 15x2 = -28

Solving for variable 'x'.

Reorder the terms:
28 + 47x + 15x2 = -28 + 28

Combine like terms: -28 + 28 = 0
28 + 47x + 15x2 = 0

Factor a trinomial.
(7 + 3x)(4 + 5x) = 0

Subproblem 1

Set the factor '(7 + 3x)' equal to zero and attempt to solve: Simplifying 7 + 3x = 0 Solving 7 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 3x = 0 + -7 3x = 0 + -7 Combine like terms: 0 + -7 = -7 3x = -7 Divide each side by '3'. x = -2.333333333 Simplifying x = -2.333333333

Subproblem 2

Set the factor '(4 + 5x)' equal to zero and attempt to solve: Simplifying 4 + 5x = 0 Solving 4 + 5x = 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 + 5x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5x = 0 + -4 5x = 0 + -4 Combine like terms: 0 + -4 = -4 5x = -4 Divide each side by '5'. x = -0.8 Simplifying x = -0.8

Solution

x = {-2.333333333, -0.8}

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