Simplify and find the value of 4x+x-2x^2+x-1 when x=-1
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4(-1)+1-2×2×2+(-1)-1
-4-1×2×2+1
-5×4+1
-20+1
-19
-4-1×2×2+1
-5×4+1
-20+1
-19
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