Question

if y=3x+5 and z=x^2+2x-5, what is the product of yz?

Answer 1

the product means that you have to times, correct?

Answer 2

yes

Answer 3

the product of yz would simply be the multiplication or times of the two equations then, don't you agree?

Answer 4

ohhhhh so you would just vertically multiply... right?

Answer 5

(3x+5)(x^2+2x-5)

Answer 6

nope, you would have to follow what I believe you call the crab claw method which you guys use in america or it's also simply known as expanding the brackets.

Answer 7

have you learnt it before?

Answer 8

http://www.youtube.com/watch?v=hpGWqLSKFMQ
http://www.mathsisfun.com/algebra/expanding.html