1.

2x ^ 2 - x ^ 3 + x + 2at; x = 1​

Answer»

4

Step-by-step explanation:

2x ^ 2 - x ^ 3 + x + 2 (x = 1)

2×[1]^2-[1]^3+[1]+2(substituting ONE in place of x)

2×[1]-[1]+[1]+2

2-1+1+2

2+2(-1 and +1 GET CANCELLED)

4


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