Step-by-step explanation:
x⁴+x³+x²+x+3; x= -1
=(-1)⁴+(-1)³+(-1)²+(-1)+3
=1-1+1-1+3
=5-2
=3
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Step-by-step explanation:
x⁴+x³+x²+x+3; x= -1
=(-1)⁴+(-1)³+(-1)²+(-1)+3
=1-1+1-1+3
=5-2
=3