Simplify : (3 − 4)^3 −( 3 + 4)^ 3
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(3 - 4)^3 - (3 + 4)^3
= (-1)^3 - 7^3
= {(-1) x (-1) x (-1)} - (7 x 7 x 7)
= -1 -343
= -344
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