-16x^2+70x+5=-4

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Solution for -16x^2+70x+5=-4 equation:


Simplifying
-16x2 + 70x + 5 = -4

Reorder the terms:
5 + 70x + -16x2 = -4

Solving
5 + 70x + -16x2 = -4

Solving for variable 'x'.

Reorder the terms:
5 + 4 + 70x + -16x2 = -4 + 4

Combine like terms: 5 + 4 = 9
9 + 70x + -16x2 = -4 + 4

Combine like terms: -4 + 4 = 0
9 + 70x + -16x2 = 0

Factor a trinomial.
(9 + -2x)(1 + 8x) = 0

Subproblem 1

Set the factor '(9 + -2x)' equal to zero and attempt to solve: Simplifying 9 + -2x = 0 Solving 9 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x = 0 + -9 -2x = 0 + -9 Combine like terms: 0 + -9 = -9 -2x = -9 Divide each side by '-2'. x = 4.5 Simplifying x = 4.5

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 = {4.5, -0.125}

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