16x^2-7x-9=0

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Solution for 16x^2-7x-9=0 equation:


Simplifying
16x2 + -7x + -9 = 0

Reorder the terms:
-9 + -7x + 16x2 = 0

Solving
-9 + -7x + 16x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -16x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-9 + -16x)' equal to zero and attempt to solve: Simplifying -9 + -16x = 0 Solving -9 + -16x = 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 + -16x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -16x = 0 + 9 -16x = 0 + 9 Combine like terms: 0 + 9 = 9 -16x = 9 Divide each side by '-16'. x = -0.5625 Simplifying x = -0.5625

Subproblem 2

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

Solution

x = {-0.5625, 1}

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