-20u-25=4u^2

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Solution for -20u-25=4u^2 equation:


Simplifying
-20u + -25 = 4u2

Reorder the terms:
-25 + -20u = 4u2

Solving
-25 + -20u = 4u2

Solving for variable 'u'.

Combine like terms: 4u2 + -4u2 = 0
-25 + -20u + -4u2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(25 + 20u + 4u2) = 0

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

Ignore the factor -1.

Subproblem 1

Set the factor '(5 + 2u)' equal to zero and attempt to solve: Simplifying 5 + 2u = 0 Solving 5 + 2u = 0 Move all terms containing u to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2u = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2u = 0 + -5 2u = 0 + -5 Combine like terms: 0 + -5 = -5 2u = -5 Divide each side by '2'. u = -2.5 Simplifying u = -2.5

Subproblem 2

Set the factor '(5 + 2u)' equal to zero and attempt to solve: Simplifying 5 + 2u = 0 Solving 5 + 2u = 0 Move all terms containing u to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2u = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2u = 0 + -5 2u = 0 + -5 Combine like terms: 0 + -5 = -5 2u = -5 Divide each side by '2'. u = -2.5 Simplifying u = -2.5

Solution

u = {-2.5, -2.5}

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