Question

Rewrite without parenthesis and simplify .

(y+6)^2

Answer 1

y+6 is a binomial. So, your task is to square this binomial.
Note that squaring y+6 produces the same result as multiplying (y+6)(y+6).
Try using the FOIL method on the latter.

Answer 2

There are these 3 identities that you should remember: (very handy if you do any algebra)

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

Answer 3

\[y^2+12y+36\]

Answer 4

Thank you guys . (: