70=-25t+5t^2

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Solution for 70=-25t+5t^2 equation:


Simplifying
70 = -25t + 5t2

Solving
70 = -25t + 5t2

Solving for variable 't'.

Reorder the terms:
70 + 25t + -5t2 = -25t + 25t + 5t2 + -5t2

Combine like terms: -25t + 25t = 0
70 + 25t + -5t2 = 0 + 5t2 + -5t2
70 + 25t + -5t2 = 5t2 + -5t2

Combine like terms: 5t2 + -5t2 = 0
70 + 25t + -5t2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(14 + 5t + -1t2) = 0

Factor a trinomial.
5((7 + -1t)(2 + t)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(7 + -1t)' equal to zero and attempt to solve: Simplifying 7 + -1t = 0 Solving 7 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1t = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1t = 0 + -7 -1t = 0 + -7 Combine like terms: 0 + -7 = -7 -1t = -7 Divide each side by '-1'. t = 7 Simplifying t = 7

Subproblem 2

Set the factor '(2 + t)' equal to zero and attempt to solve: Simplifying 2 + t = 0 Solving 2 + t = 0 Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + t = 0 + -2 Combine like terms: 2 + -2 = 0 0 + t = 0 + -2 t = 0 + -2 Combine like terms: 0 + -2 = -2 t = -2 Simplifying t = -2

Solution

t = {7, -2}

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