Question

Which polynomial is a difference of two squares?

x2 + 25

x2 − 25

x2 − 10

x2 + 10

i dont have idea i need help ...

Answer 1

2

Answer 2

x^2 - 25

Answer 3

both are squares and are being subtracted

Answer 4

hence the word difference ^

Answer 5

It has to be in the form
a^2 - b^2
a=1^2 =1
b=5^2 =5

x^2-25

Answer 6

oh i think i get it =D