9t^2-174t+840=0

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Solution for 9t^2-174t+840=0 equation:


Simplifying
9t2 + -174t + 840 = 0

Reorder the terms:
840 + -174t + 9t2 = 0

Solving
840 + -174t + 9t2 = 0

Solving for variable 't'.

Factor out the Greatest Common Factor (GCF), '3'.
3(280 + -58t + 3t2) = 0

Factor a trinomial.
3((28 + -3t)(10 + -1t)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(28 + -3t)' equal to zero and attempt to solve: Simplifying 28 + -3t = 0 Solving 28 + -3t = 0 Move all terms containing t to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + -3t = 0 + -28 Combine like terms: 28 + -28 = 0 0 + -3t = 0 + -28 -3t = 0 + -28 Combine like terms: 0 + -28 = -28 -3t = -28 Divide each side by '-3'. t = 9.333333333 Simplifying t = 9.333333333

Subproblem 2

Set the factor '(10 + -1t)' equal to zero and attempt to solve: Simplifying 10 + -1t = 0 Solving 10 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1t = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1t = 0 + -10 -1t = 0 + -10 Combine like terms: 0 + -10 = -10 -1t = -10 Divide each side by '-1'. t = 10 Simplifying t = 10

Solution

t = {9.333333333, 10}

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