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Evaluate 2t²-3u+ 2; t= -5, u=7 2t² - 3u +2=

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Evaluate 2t²-3u+ 2; t= -5, u=7 2t² - 3u +2=

asked Jul 21, 2021 234k views

5 votes

Evaluate
2t²-3u+ 2; t= -5, u=7
2t² - 3u +2=

Mathematics
middle-school

Lingzhi Zhang asked

by Lingzhi Zhang

8.1k points

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1 Answer

5 votes

Explanation:

2(-5)²-3(7)+2

-50-21+2

-71+2

69

it's substitution

Konstantin Smolyanin answered Jul 27, 2021

by Konstantin Smolyanin

8.5k points

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