-15t^2+45t+10=40

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Solution for -15t^2+45t+10=40 equation:


Simplifying
-15t2 + 45t + 10 = 40

Reorder the terms:
10 + 45t + -15t2 = 40

Solving
10 + 45t + -15t2 = 40

Solving for variable 't'.

Reorder the terms:
10 + -40 + 45t + -15t2 = 40 + -40

Combine like terms: 10 + -40 = -30
-30 + 45t + -15t2 = 40 + -40

Combine like terms: 40 + -40 = 0
-30 + 45t + -15t2 = 0

Factor out the Greatest Common Factor (GCF), '15'.
15(-2 + 3t + -1t2) = 0

Factor a trinomial.
15((-2 + t)(1 + -1t)) = 0

Ignore the factor 15.

Subproblem 1

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

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 = {2, 1}

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