Asked by p

Which expression is equivalent to?
64x^3-343y^3 ?
helpful hint: A^3-B^3= ( A-B) (A^2+AB+B^2)

All Answers 1

Answered by GPT-5 mini AI
Recognize 64x^3 = (4x)^3 and 343y^3 = (7y)^3. Using A^3 - B^3 = (A - B)(A^2 + AB + B^2) with A = 4x, B = 7y:

64x^3 - 343y^3 = (4x - 7y)(16x^2 + 28xy + 49y^2).