Math, asked by Manaskumar943041, 10 months ago

factorise 15x^2-x-28 by quadratic formula

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Answered by 7644837590hayaghat

1

Answer:

Factorise: 15x2 - x - 28 to...

MATHS

Factorise: 15x

2

−x−28

December 26, 2019avatar

Bablu Shalini

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ANSWER

The given expression 15x

2

−x−28 can be factorised as follows:

15x

2

−x−28=15x

2

−21x+20x−28=3x(5x−7)+4(5x−7)=(3x+4)(5x−7)

Hence, 15x

2

−x−28=(3x+4)(5x−7)

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