(1-u)(5u+2)=0

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Solution for (1-u)(5u+2)=0 equation:


Simplifying
(1 + -1u)(5u + 2) = 0

Reorder the terms:
(1 + -1u)(2 + 5u) = 0

Multiply (1 + -1u) * (2 + 5u)
(1(2 + 5u) + -1u * (2 + 5u)) = 0
((2 * 1 + 5u * 1) + -1u * (2 + 5u)) = 0
((2 + 5u) + -1u * (2 + 5u)) = 0
(2 + 5u + (2 * -1u + 5u * -1u)) = 0
(2 + 5u + (-2u + -5u2)) = 0

Combine like terms: 5u + -2u = 3u
(2 + 3u + -5u2) = 0

Solving
2 + 3u + -5u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(1 + -1u)(2 + 5u) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(2 + 5u)' equal to zero and attempt to solve: Simplifying 2 + 5u = 0 Solving 2 + 5u = 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 + 5u = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5u = 0 + -2 5u = 0 + -2 Combine like terms: 0 + -2 = -2 5u = -2 Divide each side by '5'. u = -0.4 Simplifying u = -0.4

Solution

u = {1, -0.4}

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