Simplify the expression and eliminate any negative exponent(s). Assume that all letters denote positive numbers. W4/35/3 (a) W1/3 (b) 5/4(37/82 $1/4 2. DETAILS SPRECALC6 1.2.066. Simplify the expression and eliminate any negative exponent(s). Assume that all letters denote positive numbers. (a) (37)-7/3 (b) (3x-1/42(27y-3/2)-1/3 3. DETAILS SPRECALC6 1.3.091.MI. Factor the expression completely. Begin by factoring out the lowest power of each common factor. 4x-7/2+4x-5/2 + x-3/2 DETAILS SPRECALC6 1.3.092. Factor the expression completely. Begin by factoring out the lowest power of each common factor. (x-4)7/2 16(x-4)3/2 5. DETAILS SPRECALC6 1.4.054.MI. Perform the addition or subtraction and simplify. x2-5x+4 6. DETAILS SPRECALC6 1.4.061. Simplify the compound fractional expression. x-6 7. DETAILS SPRECALC6 1.4.074. Simplify the fractional expression. (Expressions like this arise in calculus.) 4-(--) 8. DETAILS SPRECALC6 1.4.077. Simplify the expression. (This type of expression arises in calculus when using the "quotient rule.") 9. DETAILS + SPRECALC6 1.4.085. Rationalize the denominator. 2+ 4 10. DETAILS SPRECALC6 1.4.086.MI. Rationalize the denominator. 4(x-y) x-y