Question

I have to rewrite each function as a group of factors if possible.
f(x)=x^2-16
g(x)=x^2+25
h(x)=(x+6)^2
j(x)=5x^2+10x-15

Answer 1

\[ f(x)=x^2-16 \]
\[g(x)=x^2+25\]
\[ h(x)=(x+6)^2 \]
\[j(x)=5x^2+10x-15 \]

Answer 2

@Michele_Laino