2 years ago

OVER DUED HOMEWORK pls help!! T-T

Mathematics

1 answer:

Mariulka [41]2 years ago

4 0

Answer:

see explanation

Step-by-step explanation:

(9m + 4)² - (9m - 4)² ← expand both factors using FOIL

= 81m² + 72m + 16 - (81m² - 72m + 16) ← distribute parenthesis by - 1

= 81m² + 72m + 16 - 81m² + 72m - 16 ← collect like terms

= 144m

= 72(2m)

which is divisible by 72 for all m

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￼OVER DUED HOMEWORK pls help!! T-T

OVER DUED HOMEWORK pls help!! T-T