Question

Which polynomial is a difference of two squares?

x^2 + 25
x^2 − 25
x^2 − 10
x^2 + 10

Answer 1

difference means you should have a minus sign
squares means you should have squares

Answer 2

im confused

Answer 3

only two have minus signs,
\[x^2-25\] and
\[x^2-10\] of those two only
\[x^2-25\] has two squares,
\[x^2\] and
\[5^2\]