Expression 2: left parenthesis, negative 24.5 1 plus .1 3 5 8 "x" negative 4.6 9 times 10 to the negative 5th power times "x" squared , right parenthesis times left parenthesis, 170 minus 1.6 times 10 to the negative 6th power times "x" squared , right parenthesis−24.51+.1358x−4.69·10−5·x2·170−1.6·10−6·x2
2
Expression 3: left parenthesis, negative 27.0 2 plus .1 3 8 0 "x" minus 3.8 4 times 10 to the negative 5th power times "x" squared , right parenthesis left parenthesis, 170 minus 1.6 times 10 to the negative 6th power times "x" squared , right parenthesis−27.02+.1380x−3.84·10−5·x2170−1.6·10−6·x2
3
Expression 4: left parenthesis, negative 18.8 9 plus .1 2 7 7 left parenthesis, .3 4 1 "x" minus 75.1 3 4 , right parenthesis minus 4.0 8 times 10 to the negative 5th power times left parenthesis, .3 4 1 "x" minus 75.1 3 4 ) squared , right parenthesis times ( 170 minus 1.6 times 10 to the negative 6th power times "x" squared , right parenthesis plus left parenthesis, negative 24.5 1 plus .1 3 5 8 left parenthesis, .2 9 6 6 "x" plus 20.9 9 5 , right parenthesis negative 4.6 9 times 10 to the negative 5th power times left parenthesis, .2 9 6 6 "x" plus 20.9 9 5 , right parenthesis squared , right parenthesis times left parenthesis, 170 minus 1.6 times 10 to the negative 6th power times "x" squared , right parenthesis plus left parenthesis, negative 27.0 2 plus .1 3 8 0 left parenthesis, .3 6 2 3 "x" plus 54.2 8 5 , right parenthesis minus 3.8 4 times 10 to the negative 5th power times left parenthesis, .3 6 2 3 "x" plus 54.2 8 5 , right parenthesis squared , right parenthesis left parenthesis, 170 minus 1.6 times 10 to the negative 6th power times "x" squared , right parenthesis−18.89+.1277.341x−75.134−4.08·10−5·.341x−75.134)2·(170−1.6·10−6·x2+−24.51+.1358.2966x+20.995−4.69·10−5·.2966x+20.9952·170−1.6·10−6·x2+−27.02+.1380.3623x+54.285−3.84·10−5·.3623x+54.2852170−1.6·10−6·x2