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