1.

A× (-b÷2a)²+b×(-b÷2a)​

Answer»

ANSWER:

here we have ,

a×(-b÷2a)^2+b×(-b÷2a)

a×(-b/2a)^2+b×(-b/2a)

a×b2/4a2-b2/2a

b2/4a-b2/2a

-b2/4a



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