Question

If x -­ y = ­7 and x + y = 13, then x2 - y2 is

A) 91 B) -30 C) 30 D) -­91

Answer 1

Answer:

here is your answer that is 91

Step-by-step explanation:

apply the formula for x2-y2 that is (x-y) (x+y)

now put the value 7*13 you will get 91

how it helped you

Answer 2

Option A is ur answer