3 years ago

I NEED HELP PLEASE ...ASAP!!!!!

Mathematics

1 answer:

attashe74 [19]3 years ago

5 0

-a²-3b³+c²+2b³-c²

= -(3)² - (3×2)³ + (-3)² + (2 × 2)³ - ( -3)²

= 9 - 24 + 9 + 16 - 9

= 1

answer is 1.

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