7x +4y + 21xy2 + 12y3 factorise the question
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Answer:
Step-by-step explanation:
Given that,
7x + 4y + 21xy² + 12y³
= 7x + 21xy² + 4y + 12y³
= 7x ( 1 + 3y² ) + 4y ( 1 + 3y² )
= ( 7x + 4y ) ( 1 + 3y² ) is the answer
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