(t+7)(t-12)=0

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Solution for (t+7)(t-12)=0 equation:


Simplifying
(t + 7)(t + -12) = 0

Reorder the terms:
(7 + t)(t + -12) = 0

Reorder the terms:
(7 + t)(-12 + t) = 0

Multiply (7 + t) * (-12 + t)
(7(-12 + t) + t(-12 + t)) = 0
((-12 * 7 + t * 7) + t(-12 + t)) = 0
((-84 + 7t) + t(-12 + t)) = 0
(-84 + 7t + (-12 * t + t * t)) = 0
(-84 + 7t + (-12t + t2)) = 0

Combine like terms: 7t + -12t = -5t
(-84 + -5t + t2) = 0

Solving
-84 + -5t + t2 = 0

Solving for variable 't'.

Factor a trinomial.
(-7 + -1t)(12 + -1t) = 0

Subproblem 1

Set the factor '(-7 + -1t)' equal to zero and attempt to solve: Simplifying -7 + -1t = 0 Solving -7 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1t = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1t = 0 + 7 -1t = 0 + 7 Combine like terms: 0 + 7 = 7 -1t = 7 Divide each side by '-1'. t = -7 Simplifying t = -7

Subproblem 2

Set the factor '(12 + -1t)' equal to zero and attempt to solve: Simplifying 12 + -1t = 0 Solving 12 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1t = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1t = 0 + -12 -1t = 0 + -12 Combine like terms: 0 + -12 = -12 -1t = -12 Divide each side by '-1'. t = 12 Simplifying t = 12

Solution

t = {-7, 12}

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