(u+6)(u-4)=0

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Solution for (u+6)(u-4)=0 equation:


Simplifying
(u + 6)(u + -4) = 0

Reorder the terms:
(6 + u)(u + -4) = 0

Reorder the terms:
(6 + u)(-4 + u) = 0

Multiply (6 + u) * (-4 + u)
(6(-4 + u) + u(-4 + u)) = 0
((-4 * 6 + u * 6) + u(-4 + u)) = 0
((-24 + 6u) + u(-4 + u)) = 0
(-24 + 6u + (-4 * u + u * u)) = 0
(-24 + 6u + (-4u + u2)) = 0

Combine like terms: 6u + -4u = 2u
(-24 + 2u + u2) = 0

Solving
-24 + 2u + u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-6 + -1u)(4 + -1u) = 0

Subproblem 1

Set the factor '(-6 + -1u)' equal to zero and attempt to solve: Simplifying -6 + -1u = 0 Solving -6 + -1u = 0 Move all terms containing u to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1u = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1u = 0 + 6 -1u = 0 + 6 Combine like terms: 0 + 6 = 6 -1u = 6 Divide each side by '-1'. u = -6 Simplifying u = -6

Subproblem 2

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

Solution

u = {-6, 4}

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