Question

343a³-b³
expand the following cubes​

Answer 1

Answer:

(7a-b)(49a²+7ab+b²)

Step-by-step explanation:

using formula

a³-b³=(a-b)(a²+ab+b²)

Answer 2

Answer:

(7a-b)(49a^2+7ab+b^2)

Step-by-step explanation:

343a^3-b^3

(7a)^3-b^3

(7a-b)[(7a)^2+7a*b+b^2]        using identity a^3-b^3=(a-b)(a^2+ab+b^2)

(7a-b)(49a^2+7ab+b^2)

SO HERE IS YOUR ANSWER

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