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lozanna [386]
3 years ago
12

Evaluate the expression for t = –2. t2 + 21t − 56 =

Mathematics
1 answer:
Keith_Richards [23]3 years ago
4 0

Answer:

-94

Step-by-step explanation:

t² + 21t - 56

(-2)² + 21(-2) - 56

4 - 42 - 56

-38 - 56

-94

Best of Luck!

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