Question

$(x + y) ^{3} - 8$
please give the answer​

Answer 1

Answer:

$(x + y) {}^{3} - 8 \\ \\ (x + y) {}^{3} =8 \\ \\ (x + y) {}^{ \cancel3} =(2) {}^{ \cancel3} \\ \\ x + y = 2$

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