Math, asked by souravdas33, 11 months ago

(i) 1 - 18y - 63y²
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Answers

Answered by AccioNerd

32

Answer:

(1 - 21y)(1 + 3y)

Step-by-step explanation:

1 - 18y - 63y²

= 1 + 3y - 21y - 63y²

= 1(1 + 3y) - 21y(1 + 3y)

= (1 - 21y)(1 + 3y)

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