Question

Como resolvo (-2)^2+(-2)^3 ?

Answer 1

= (-2)² = (-2).(-2) = + 4
= (-2)³ = (-2).(-2).(-2) = 4.(-2) = - 8

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= (-2)² + (-2)³

= 4 - 8

= - 8 + 4

= - 4

Resp.: - 4