Question

Find the product of (x + 3)^2.

x^2 + 6x + 9

x^2 − 6x + 9

x^2 − 9

x^2 + 9

Answer 1

Write as (x+3)(x+3) and then FOIL

Answer 2

Use(a+b)^2=a^2+2ab+b^2

Answer 3

so D?

Answer 4

No, you are missing out something here:
(x+3)(x+3)=x²+3x+3x+3²=...

Answer 5

It is even quicker to use @hba's tip: (a+b)²=a²+2ab+b². Just set a=x and b=3.

Answer 6

SO A would be right then

Answer 7

Yes! Promise me you'll learn (a+b)²=a²+2ab+b², because it really helps finding answers quickly ;)

Answer 8

yes i will thank you. its us the signs that confuse me cus people tell me u reverse the sign and all kinds of stuff lol

Answer 9

yw!