Question

Factorise the following 2 (X + y ) square - 9 (X + y) - 5

Answer 1

Answer:

2xsquare + 4xy + 2y square-9x-9y-5

Step-by-step explanation:

2(x+y)square-9(x+y)-5

=2(xsquare+2xy+ysquare)-9x-9y-5

=2x square + 4 xy +2ysquare-9x-9y-5.

OK..