Question

How do I know if something is a perfect square trinomial?

Answer 1

if it looks like \(a^2+2ab+b^2\)

Answer 2

for example \(x^2+10x+25\)
\[(x^2+14x+49\]
\[x^2+6x+9\]
\[x^2+5x+\frac{25}{2}\]

Answer 3

oops last one is wrong, should be
\[x^2+5x+\frac{25}{4}\]