25t-5t^2=20

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Solution for 25t-5t^2=20 equation:


Simplifying
25t + -5t2 = 20

Solving
25t + -5t2 = 20

Solving for variable 't'.

Reorder the terms:
-20 + 25t + -5t2 = 20 + -20

Combine like terms: 20 + -20 = 0
-20 + 25t + -5t2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-4 + 5t + -1t2) = 0

Factor a trinomial.
5((-4 + t)(1 + -1t)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-4 + t)' equal to zero and attempt to solve: Simplifying -4 + t = 0 Solving -4 + t = 0 Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + t = 0 + 4 Combine like terms: -4 + 4 = 0 0 + t = 0 + 4 t = 0 + 4 Combine like terms: 0 + 4 = 4 t = 4 Simplifying t = 4

Subproblem 2

Set the factor '(1 + -1t)' equal to zero and attempt to solve: Simplifying 1 + -1t = 0 Solving 1 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1t = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1t = 0 + -1 -1t = 0 + -1 Combine like terms: 0 + -1 = -1 -1t = -1 Divide each side by '-1'. t = 1 Simplifying t = 1

Solution

t = {4, 1}

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