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ICSE Class 9 Answered

2*² + 13xy - 24y²
Asked by hemaj5901 | 03 Dec, 2023, 04:04: PM
answered-by-expert Expert Answer
2 x2 +13 xy - 24y2
 
2 × (-24 ) = -48
 
we have to find two numbers so that their product is -48 and sum is 13
 
16 × ( -3) = -48
 
16 - 3 = 13
 
Hence
 
2 x2 +13 xy - 24y2
 
 
 
= 2x2+ 16 xy -3 xy - 24y2
 
= 2x (x + 8 y) - 3y ( x + 8y ) 
 
= ( x + 8y ) ( 2x - 3y)
Answered by Thiyagarajan K | 03 Dec, 2023, 05:13: PM

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