Math, asked by shp200617, 6 months ago

2(a+b)²-5(a+b)-3
factorise

Answers

Answered by Anonymous

2

Step-by-step explanation:

2(a+b)²-5(a+b)-3

put (a+b) = x

2x²-5x-3

= 2x²-(6-1)x-3

= 2x²-6x+x-3

= 2x(x-3)+1(x-3)

= (x-3)(2x+1)

x = (a+b)

= (a+b-3)(2a+2b+1)

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