16u^2-32u=9

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Solution for 16u^2-32u=9 equation:


Simplifying
16u2 + -32u = 9

Reorder the terms:
-32u + 16u2 = 9

Solving
-32u + 16u2 = 9

Solving for variable 'u'.

Reorder the terms:
-9 + -32u + 16u2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + -32u + 16u2 = 0

Factor a trinomial.
(-1 + -4u)(9 + -4u) = 0

Subproblem 1

Set the factor '(-1 + -4u)' equal to zero and attempt to solve: Simplifying -1 + -4u = 0 Solving -1 + -4u = 0 Move all terms containing u to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -4u = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4u = 0 + 1 -4u = 0 + 1 Combine like terms: 0 + 1 = 1 -4u = 1 Divide each side by '-4'. u = -0.25 Simplifying u = -0.25

Subproblem 2

Set the factor '(9 + -4u)' equal to zero and attempt to solve: Simplifying 9 + -4u = 0 Solving 9 + -4u = 0 Move all terms containing u to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -4u = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4u = 0 + -9 -4u = 0 + -9 Combine like terms: 0 + -9 = -9 -4u = -9 Divide each side by '-4'. u = 2.25 Simplifying u = 2.25

Solution

u = {-0.25, 2.25}

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