Question

solve the following:
8x^3-y^3/343​

Answer 1

Step-by-step explanation:

(2x)^3 + 7^3

Using identity: a^3 + b^3 = (a + b)(a^2 - ab + b^2

a = 2x

b = 7

(2x + 7)(4x^2 - 14x + 49).

or

8x^3 + 343 = 0

8x^3 = -343

x^3 = -343/8

x = - 7 / 2

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