Question

(x + y + 3)(x + y - 4)

what do i get awhen i combine the like terms

Answer 1

do it and see it...

Answer 2

multiply each term in the second bracket by x
then similarly multiply by y
then by + 3
and finally simplify

Answer 3

(x + y + 3)(x + y - 4)
x^2+xy-4x+yx+y^2-4y+3x+3y-12
x^2+y^2+2xy-x-y-12

Answer 4

thanks