Question

factor t^2+4tv+4v^2

Answer 1

do you know how many is (a+b)^2 = ?

Answer 2

What two numbers add 4 and also multiply to 4. I get the 4s from your equation.
\[x+y=4\]
\[(x)(y)=4\]

x = 2 and y =2 so then you complete the square
\[(t+2v)((t+2v) = (t+2v)^2\]