t^2-2t=40+4t

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Solution for t^2-2t=40+4t equation:


Simplifying
t2 + -2t = 40 + 4t

Reorder the terms:
-2t + t2 = 40 + 4t

Solving
-2t + t2 = 40 + 4t

Solving for variable 't'.

Reorder the terms:
-40 + -2t + -4t + t2 = 40 + 4t + -40 + -4t

Combine like terms: -2t + -4t = -6t
-40 + -6t + t2 = 40 + 4t + -40 + -4t

Reorder the terms:
-40 + -6t + t2 = 40 + -40 + 4t + -4t

Combine like terms: 40 + -40 = 0
-40 + -6t + t2 = 0 + 4t + -4t
-40 + -6t + t2 = 4t + -4t

Combine like terms: 4t + -4t = 0
-40 + -6t + t2 = 0

Factor a trinomial.
(-4 + -1t)(10 + -1t) = 0

Subproblem 1

Set the factor '(-4 + -1t)' equal to zero and attempt to solve: Simplifying -4 + -1t = 0 Solving -4 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1t = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1t = 0 + 4 -1t = 0 + 4 Combine like terms: 0 + 4 = 4 -1t = 4 Divide each side by '-1'. t = -4 Simplifying t = -4

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 = {-4, 10}

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