Example 4. 11. Compute P3(2.5)in Example 1.10 using nested multipli- cation Using(1.59), we write P3(x)=(-0.1(x-4)+0.5)(x-3)-2)(x-1)+5 The values in(1.60)are 0.1 S2=-0.1(25-4)+05=0.65 S1=0.65(25-3)-2=-2325 S0=-2325(25-1)+5=1.5125 Therefore, P3(2.5)=1.5125