Question

Expand each of the following, using suitable identities

a) (y-4)(y+6) b)(k+3)(k+3​

Answer 1

Step-by-step explanation:

a). y(y+6) -4(y+6)

y^2 +6y -4y -24

y^2 +2y -24

b). k(k+3) +3(k+3)

k^2 +3k +3k +9

k^2 +6k +9

I hope this helps