2 x ³ - 3х³ - 4x - 5 ; x + 3
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Step-by-step explanation:
Since x+3=0
x= -3
putting value of x in equation
2(-3)³-3(-3)³-4×-3-5
2×-27-3×-27+12-5
-54+81+7
27+7
=34
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