Question

Which of the following must be true for an expression to be a diference of

two squares?
a. both coefficients are perfect squares
b. there are only two terms
c. both terms have negative coefficients
————————————
A . A & c
B.) A & B
C.) B & C
D.) A , b & c

Answer 1

B.) A & B

Explanation:

For example x^2-64= (x+8)(x-8)