Question

x²- y²
write the formula of x²- y²​

Answer 1

Step-by-step explanation:

Identity IV of algebraic expressions

$(x - y)(x + y) = x ^{2} - y {}^{2}$

please mark my answer as brainlist

Answer 2

x2 + y2 = (x + y)2 – 2xy

x2 + y2 = (x – y)2 + 2xy