Question

Expand (2x+4)^2

Answer 1

(a+b)^2=a^2+2ab+b^2
(2x+4)^2=4x^2+2(2x * 4)+16
=4x^2+16x+16

Answer 2

Use the formula... ref : http://openstudy.com/study#/updates/53a30fb2e4b04b640457c2d2

Answer 3

OH, that's how you use it. Still kinda confusing but I could get it.

Answer 4

\(Sure~You~can~do~it~??\)

Answer 5

\[After I learn some more\]

Answer 6

Try... (4x+7)^2... !! @Kemist

Answer 7

8x^2+14?