Question

Caicule o valor numérico de P(x)= 2x4-x3-3x2+x+5 para x=1 .

Answer 1

P(x)=2x⁴-x³-3x²+x+5
P(x)=2(1)⁴-(1)³-3(1)²+1+5
P(x)=2.1-1-3.1+1+5
P(x)=2-1-3+1+5
P(x)=1-3+1+5
P(x)=-2+1+5
P(x)=-1+5
P(x)=4