(4t+3)(5t+9)=0

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Solution for (4t+3)(5t+9)=0 equation:


Simplifying
(4t + 3)(5t + 9) = 0

Reorder the terms:
(3 + 4t)(5t + 9) = 0

Reorder the terms:
(3 + 4t)(9 + 5t) = 0

Multiply (3 + 4t) * (9 + 5t)
(3(9 + 5t) + 4t * (9 + 5t)) = 0
((9 * 3 + 5t * 3) + 4t * (9 + 5t)) = 0
((27 + 15t) + 4t * (9 + 5t)) = 0
(27 + 15t + (9 * 4t + 5t * 4t)) = 0
(27 + 15t + (36t + 20t2)) = 0

Combine like terms: 15t + 36t = 51t
(27 + 51t + 20t2) = 0

Solving
27 + 51t + 20t2 = 0

Solving for variable 't'.

Factor a trinomial.
(9 + 5t)(3 + 4t) = 0

Subproblem 1

Set the factor '(9 + 5t)' equal to zero and attempt to solve: Simplifying 9 + 5t = 0 Solving 9 + 5t = 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 + 5t = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 5t = 0 + -9 5t = 0 + -9 Combine like terms: 0 + -9 = -9 5t = -9 Divide each side by '5'. t = -1.8 Simplifying t = -1.8

Subproblem 2

Set the factor '(3 + 4t)' equal to zero and attempt to solve: Simplifying 3 + 4t = 0 Solving 3 + 4t = 0 Move all terms containing t to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 4t = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 4t = 0 + -3 4t = 0 + -3 Combine like terms: 0 + -3 = -3 4t = -3 Divide each side by '4'. t = -0.75 Simplifying t = -0.75

Solution

t = {-1.8, -0.75}

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