Math, asked by rosemacmaster17, 8 hours ago

( 4-6a+3b² ) by (7a - 3b )

Answers

Answered by upraityshashikant

1

Answer:

-9b^3+21ab^2-42a^2+28a+18ab-12b

Step-by-step explanation:

(4-6a+3b^2)×(7a-3b)

28a-42a^2+21ab^2-12b+18a-9b^3

-9b^3+21ab^2-42a^2+28a+18ab-12b

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