Factorize: 8(a+1)²+2(a+1)(b+2)-15(b+2)²

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Factorize: 8(a+1)²+2(a+1)(b+2)-15(b+2)²

Posted by Angel Mittal 2 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Smile 😇 2 years, 7 months ago

8(a+1)²+2(a+1)(b+2)-15(b+2)² =8(a²+1+2a)+2[(a+1)(b+2)]-15 (b²+4+4b) =8a²+8+16a+2(ab+2a+b+2)-15b²-60-60b =8a²+8+16+2ab+4a+2b+4-15b²-60-60ab =8a²+20a-58ab+2b-15b²-48

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