Math, asked by PinkyTune, 1 year ago

Factorise the following expression:

$2x^{2}+7xy-15y^2$

Answers

Answered by qais

2x² +7xy - 15y²

=2x² +10xy - 3xy - 15y²

=2x(x+5y) -3y(x + 5y)

=(x+5y)(2x-3y)

PinkyTune: Did I get it right?

qais: yes now u got me right :)

PinkyTune: I told the same thing there also. (multiply the coefficients of the first and second terms and factorise.)

PinkyTune: coefficient is the number before an constant

PinkyTune: that is the number of times the constant is multiplied

qais: no no...not second term dear.....here second term is 7 nah,,,but im saying third term,,that is 15

PinkyTune: oH! Sorry, I meant third term. Just a ty[ping mistake

qais: oh...it's ok :)

PinkyTune: Now, it is clear, I hope!

qais: yes :)

Answered by prasanna817

Answer:

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