Question

x^2+16x+64

Answer 1

this is a quadratic equation, find the roots with the formula:
\[x =( -b \pm \sqrt{b^2 - 4ac})/2a\]

Answer 2

sat,
http://openstudy.com/groups/mathematics/updates/4e9cd9070b8b3194bed00c92

Answer 3

(x+8)^2

Answer 4

you are supposed to recognize this as a perfect square, because
\[64=8^2, 16=2\times 8\] so you get
\[x^2+16x+64=(x+8)^2\] it is not an equation, so there is nothing so solve for. just factor