u^2=16u+36

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Solution for u^2=16u+36 equation:


Simplifying
u2 = 16u + 36

Reorder the terms:
u2 = 36 + 16u

Solving
u2 = 36 + 16u

Solving for variable 'u'.

Reorder the terms:
-36 + -16u + u2 = 36 + 16u + -36 + -16u

Reorder the terms:
-36 + -16u + u2 = 36 + -36 + 16u + -16u

Combine like terms: 36 + -36 = 0
-36 + -16u + u2 = 0 + 16u + -16u
-36 + -16u + u2 = 16u + -16u

Combine like terms: 16u + -16u = 0
-36 + -16u + u2 = 0

Factor a trinomial.
(-2 + -1u)(18 + -1u) = 0

Subproblem 1

Set the factor '(-2 + -1u)' equal to zero and attempt to solve: Simplifying -2 + -1u = 0 Solving -2 + -1u = 0 Move all terms containing u to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1u = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1u = 0 + 2 -1u = 0 + 2 Combine like terms: 0 + 2 = 2 -1u = 2 Divide each side by '-1'. u = -2 Simplifying u = -2

Subproblem 2

Set the factor '(18 + -1u)' equal to zero and attempt to solve: Simplifying 18 + -1u = 0 Solving 18 + -1u = 0 Move all terms containing u to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1u = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1u = 0 + -18 -1u = 0 + -18 Combine like terms: 0 + -18 = -18 -1u = -18 Divide each side by '-1'. u = 18 Simplifying u = 18

Solution

u = {-2, 18}

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