56x^2=-15x-1

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Solution for 56x^2=-15x-1 equation:


Simplifying
56x2 = -15x + -1

Reorder the terms:
56x2 = -1 + -15x

Solving
56x2 = -1 + -15x

Solving for variable 'x'.

Reorder the terms:
1 + 15x + 56x2 = -1 + -15x + 1 + 15x

Reorder the terms:
1 + 15x + 56x2 = -1 + 1 + -15x + 15x

Combine like terms: -1 + 1 = 0
1 + 15x + 56x2 = 0 + -15x + 15x
1 + 15x + 56x2 = -15x + 15x

Combine like terms: -15x + 15x = 0
1 + 15x + 56x2 = 0

Factor a trinomial.
(1 + 7x)(1 + 8x) = 0

Subproblem 1

Set the factor '(1 + 7x)' equal to zero and attempt to solve: Simplifying 1 + 7x = 0 Solving 1 + 7x = 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 + 7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 7x = 0 + -1 7x = 0 + -1 Combine like terms: 0 + -1 = -1 7x = -1 Divide each side by '7'. x = -0.1428571429 Simplifying x = -0.1428571429

Subproblem 2

Set the factor '(1 + 8x)' equal to zero and attempt to solve: Simplifying 1 + 8x = 0 Solving 1 + 8x = 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 + 8x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 8x = 0 + -1 8x = 0 + -1 Combine like terms: 0 + -1 = -1 8x = -1 Divide each side by '8'. x = -0.125 Simplifying x = -0.125

Solution

x = {-0.1428571429, -0.125}

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