Question

find the product please help me to solve it
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Answer 1

Answer:

$=12-53y+74y^{2}-26y^{3}-12y^{4}$

Step-by-step explanation:

$=3(4-7y-2y^{2})+(-8y)(4-7y-2y^{2})+6y^{2}(4-7y-2y^{2})$

$=12-21y-6y^{2}-32y+56y^{2}+16y^{3}+24y^{2}-42y^{3}-12y^{4}$

$=12-53y+74y^{2}-26y^{3}-12y^{4}$