(3a - 4) * (9a + 2b + 12 abc)guys plz help me multiply it
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Answer:
27a^2 + 3a^2bc - 48abc + 6ab - 8b
Step-by-step explanation:
( 3a - 4 ) x ( 9a + 2b + 12abc )
= 3a ( 9a + 2b + 12abc ) - 4 ( 9a + 2b + 12abc )
= 27a^2 + 6ab + 36a + 3a^2bc - 36a - 8b - 48abc
= 27a^2 + 3a^2bc - 48abc + 6ab + 36a - 36a - 8b
= 27a^2 + 3a^2bc - 48abc + 6ab - 8b
adhyamali1209:
thanks
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