(4t+9)(t-8)=0

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Solution for (4t+9)(t-8)=0 equation:


Simplifying
(4t + 9)(t + -8) = 0

Reorder the terms:
(9 + 4t)(t + -8) = 0

Reorder the terms:
(9 + 4t)(-8 + t) = 0

Multiply (9 + 4t) * (-8 + t)
(9(-8 + t) + 4t * (-8 + t)) = 0
((-8 * 9 + t * 9) + 4t * (-8 + t)) = 0
((-72 + 9t) + 4t * (-8 + t)) = 0
(-72 + 9t + (-8 * 4t + t * 4t)) = 0
(-72 + 9t + (-32t + 4t2)) = 0

Combine like terms: 9t + -32t = -23t
(-72 + -23t + 4t2) = 0

Solving
-72 + -23t + 4t2 = 0

Solving for variable 't'.

Factor a trinomial.
(-9 + -4t)(8 + -1t) = 0

Subproblem 1

Set the factor '(-9 + -4t)' equal to zero and attempt to solve: Simplifying -9 + -4t = 0 Solving -9 + -4t = 0 Move all terms containing t to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -4t = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -4t = 0 + 9 -4t = 0 + 9 Combine like terms: 0 + 9 = 9 -4t = 9 Divide each side by '-4'. t = -2.25 Simplifying t = -2.25

Subproblem 2

Set the factor '(8 + -1t)' equal to zero and attempt to solve: Simplifying 8 + -1t = 0 Solving 8 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1t = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1t = 0 + -8 -1t = 0 + -8 Combine like terms: 0 + -8 = -8 -1t = -8 Divide each side by '-1'. t = 8 Simplifying t = 8

Solution

t = {-2.25, 8}

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