Question

If x + y = 5 and x - y = 3, then x^2 - y^2 = ?

A) 9
B) 15
C) 16
D) 25
E) 34
With steps pleaseee

Answer 1

B) 15

Explanation:

Using basic logic we find that x = 4 and y = 1

4^2 = 16

1^2 = 1

16 - 1 = 15