Expression 1: left parenthesis, StartRoot, 3 , EndRoot "x" plus StartRoot, 3 , EndRoot , right parenthesis StartFraction, 1 minus StartNestedFraction, StartRoot, left parenthesis, negative 1 minus "x" , right parenthesis squared , EndRoot NestedOver negative 1 minus "x" , EndNestedFraction Over 2 , EndFraction times StartFraction, 1 minus StartNestedFraction, StartRoot, left parenthesis, "x" plus 0.5 , right parenthesis squared , EndRoot NestedOver "x" plus 0.5 , EndNestedFraction Over 2 , EndFraction3x+31−−1−x2−1−x2·1−x+0.52x+0.52