Question

$- 12 + t + {t}^{2}$
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Answer 1

hope this answer will be helpful

Answer 2

Answer: t = 3, (-4)

Solution:

t^2 + t - 12

=> t^2 + 4t - 3t - 12

=> t ( t + 4 ) - 3 ( t +4 )

=> ( t - 3 ) ( t - 4 ) = 0

=> t = 3, (-4)