Question

Verify that x^3 - y^3 = (x - y) (x^2 + xy + y^2) by taking x = 9 and y = 5​

Answer 1

Answer:

LHS=RHS

Step-by-step explanation:

(9)³-(5)³= (9-5){(9)²+(9×5)+(5)²}

729-125= 4(81+45+25)

604= 4×151

604= 604

LHS=RHS

VERIFIED