Question

(x+2)³= x³-4

please help out with this​

Answer 1

Answer:

$(3x + 2 \times 2 \times 2 \times ) = x3 - 4 \\ \\(3x + 8) = x3 - 4 \\ \\ 3x = x3 - 4 - 8 = ....3x = x3 - 12 \\ \\ 4x3 - 12$

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Answer 2

x3+8=x3-4

x3-x3=-4-8

=-12