Posted by **Tara** on Thursday, April 25, 2013 at 2:45pm.

Simplify the expression: (w+5)^2

My answer: w^2+25

- Algebra -
**HS**, Thursday, April 25, 2013 at 2:49pm
I don't thinks it's +25 but I do think it's +10 as 2x5=10.

you could always try a genrator on google.

tell me how you get on.

- Algebra -
**Steve**, Thursday, April 25, 2013 at 3:24pm
(w+5)^2 = (w+5)(w+5)

= w^2 + 10w + 25

you could have easily discovered your answer was wrong by substituting in a value for w, say w=1

(w+5)^2 = (1+5)^2 = 6^2 = 36

w^2+25 = 1+25 = 26

Bzzzzt!

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