Math, asked by akankshadewangan2006, 4 months ago

Factorise by splitting the middle term if 2x2 - X-21 according to class 9th

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Answered by seemaajaypandey

1

Answer:

hope! it helps you

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Answered by harshitha202034

0

Answer:

$2 {x}^{2} - x - 21 \\ 2 {x}^{2} + 6x - 7x - 21 \\ 2x(x + 3) - 7(x + 3) \\ (x + 3)(2x - 7)$

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