Math, asked by yashi16620, 9 months ago

factorise 15-2x-x^2

Answers

Answered by nagakalakoppalli

7

Answer:

-x^2-2x+15

=-x^2+2x-5x+15

= -x(x-2) -5(x-2)

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

Answered by Rishinja

7

Step-by-step explanation:

15-2x-x²

x²+2x-15

x²-3x+5x-15

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

(x-3)(x+5)

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