Question

(grade 8 algebric expressions and identities) find the product of (- 2b +6y) ( 9+ 6b)
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Answer 1

Answer:

(-2b+6y) (9+6b)

-2b(9+6b)+6y(9+6b)

Ans= -18b-12b²+54y+36by

Answer 2

Answer:

first of all we take -2b multiply with 9

and then again -2b with 6b.

similarly we take 6y then multiply with 9 and again take 6y multiply with 6b.

therefore

the required answer is

=-18b-12b^2+ 54y +36by answer

note: we use this ^2 symbol for square.