Question

(3x + 7y)2

Answer 1

(3x+7y)(3x+7y)

Answer 2

so what you would do first is multiply 3y by 3y

Answer 3

9x

Answer 4

49y

Answer 5

Yes( sorry I said y not ) now you square the x and y

Answer 6

*not x

Answer 7

then you take 3x times 7y

Answer 8

3x+7y+21xy

Answer 9

3x^2+7y^2+21xy^2 is this is

Answer 10

I mean 9x^2+49x^2+42xy^2

Answer 11

well what you would have to do for the 21xy and the other 21xy and add them instead so now you have

\[9x^2+42xy+49y^2\]

Answer 12

oo I get it

Answer 13

thx

Answer 14

Youre welcome anythime ...Yeah sorry for all the typos my computer is glitching out...

Answer 15

*anytime
oh my gosh