2u^2=u+6

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Solution for 2u^2=u+6 equation:


Simplifying
2u2 = u + 6

Reorder the terms:
2u2 = 6 + u

Solving
2u2 = 6 + u

Solving for variable 'u'.

Reorder the terms:
-6 + -1u + 2u2 = 6 + u + -6 + -1u

Reorder the terms:
-6 + -1u + 2u2 = 6 + -6 + u + -1u

Combine like terms: 6 + -6 = 0
-6 + -1u + 2u2 = 0 + u + -1u
-6 + -1u + 2u2 = u + -1u

Combine like terms: u + -1u = 0
-6 + -1u + 2u2 = 0

Factor a trinomial.
(-3 + -2u)(2 + -1u) = 0

Subproblem 1

Set the factor '(-3 + -2u)' equal to zero and attempt to solve: Simplifying -3 + -2u = 0 Solving -3 + -2u = 0 Move all terms containing u to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -2u = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2u = 0 + 3 -2u = 0 + 3 Combine like terms: 0 + 3 = 3 -2u = 3 Divide each side by '-2'. u = -1.5 Simplifying u = -1.5

Subproblem 2

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

Solution

u = {-1.5, 2}

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