Question

Which of the following must be true for an expression to be a difference of two squares?

a. both coefficients are perfect squares
b. there are only two terms
c. one term has a negative coefficient and one term has a positive coefficient

Answer 1

wwsws

Answer 2

difference of two squares

a^2 -b^2

Answer 3

or 9-16

or 4t^2 -9y^2

Answer 4

oh I'm sorry i don't need the answer no more but thanks for answering ill give you a metal @jhonyy9