I am pressuming you mean x³+x When x=-2 (-2)³-2= -10
x 3 + x = ( − 2 ) 3 + ( − 2 ) = = − 8 − 2 = = − 10
When substituting x = − 2 into the expression x 3 + x , we first calculate ( − 2 ) 3 which equals − 8 . Adding − 2 results in − 10 . Therefore, the final answer is − 10 .
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