1.

Factorise 4(x-y)^2 + 28(x-y) - 72

Answer»

Answer:

4x^2 + 4y^2 + 28x -28y -8xy-72 = 0

=>4 ( x^2 + y^2 + 7x - 7y - 2xy - 18 ) = 0

=> x^2 + y^2 + 7 (x-y) - 2xy = 18

 

 Think its not MATCH your answer , think its wrong .

If it's RIGHT then can u plz MARK as BRAINLIEST



Discussion

No Comment Found

Related InterviewSolutions