Question

Factorise the following :-
i) 9(x+y)²-x²
ii) 9x²-4(y+2x)²
iii) 2(x-2y)²-50y²
iv) 32- 2(x-4)²
v) 9-x²+2xy-y²
vi) 9x^4 - (x²+2x+1)

Answer 1

For Calculation see pic