0=-t^2+5t+6

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Solution for 0=-t^2+5t+6 equation:


Simplifying
0 = -1t2 + 5t + 6

Reorder the terms:
0 = 6 + 5t + -1t2

Solving
0 = 6 + 5t + -1t2

Solving for variable 't'.

Combine like terms: 0 + -6 = -6
-6 + -5t + t2 = 6 + 5t + -1t2 + -6 + -5t + t2

Reorder the terms:
-6 + -5t + t2 = 6 + -6 + 5t + -5t + -1t2 + t2

Combine like terms: 6 + -6 = 0
-6 + -5t + t2 = 0 + 5t + -5t + -1t2 + t2
-6 + -5t + t2 = 5t + -5t + -1t2 + t2

Combine like terms: 5t + -5t = 0
-6 + -5t + t2 = 0 + -1t2 + t2
-6 + -5t + t2 = -1t2 + t2

Combine like terms: -1t2 + t2 = 0
-6 + -5t + t2 = 0

Factor a trinomial.
(-1 + -1t)(6 + -1t) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(6 + -1t)' equal to zero and attempt to solve: Simplifying 6 + -1t = 0 Solving 6 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1t = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1t = 0 + -6 -1t = 0 + -6 Combine like terms: 0 + -6 = -6 -1t = -6 Divide each side by '-1'. t = 6 Simplifying t = 6

Solution

t = {-1, 6}

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