Question

Solve the problem for formula a³+b³+3a²b+3ab²

Answer 1

Step-by-step explanation:

use formula (a+b)^2

(7x^3)^2+(4x)^2+2(7x^3)(4x)

49x^6+16x^2+56x^4

Answer 2

Answer:

the answer to the question in the picture is

49x^6+56x^3+16x^2

and the written question's answer is...    a^3-b^3

Step-by-step explanation:

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