Math, asked by mauryadc13, 6 months ago

Factorise -5x^2+ 38x+ 21 by middle term splitting method

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Answers

Answered by suman6jha

2

Answer:

21×5=105

Also 105=35×3

So,

-5x2 + 35x +3x -21

-5x(x-7) + 3(x-7)

(-5x+3)(x-7)

Thanks

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