Expression 2: "b" equals StartFraction, 4 times left parenthesis, "a" minus 1 , right parenthesis plus 4 times left parenthesis, "a" minus 2 , right parenthesis Over "a" times "a" , EndFractionb=4·a−1+4·a−2a·a
equals=
0.2 3 8 2 8 1 2 50.23828125
2
Expression 3: "y" equals StartFraction, 4 times left parenthesis, "x" minus 1 , right parenthesis Over "x" times "x" , EndFraction times 100y=4·x−1x·x·100