0. Review of Algebra

Add or subtract, as indicated. (17y + 3)/(9y + 7) - (-10y - 18)/(9y + 7)

Add or subtract, as indicated. (7x + 8)/(3x + 2) - (x + 4)/(3x + 2)

Add or subtract, as indicated. 3/(a - 2) - 1/(2 - a)

Add or subtract, as indicated. (x + y)/(2x - y) - 2x/(y - 2x)

Simplify each complex fraction. [ 1 + 1/(1-b) ] / [ 1 - 1/(1+b) ]

Simplify each complex fraction. [ 2/[(x+h)² + 16] - 2/(x²+16)] / h

Simplify each complex fraction. [ 1/[(x+h)² + 9] - 1/(x²+9)] / h

Multiply or divide as indicated. [(x^2-5x-24)/(x^2-x-12)]/[(x^2-10x+16)/(x^2+x-6)]

Add or subtract as indicated. 12/25x^2+11/15x^3

Add or subtract as indicated. [(2x-7)/(x^2-9)]-[(x-10)/(x^2-9)]

Simplify each complex rational expression. (1/x-1/2)/(1/3-x/6)

Simplify each complex rational expression. [3-1/(x+3)]/[3+1/(x+3)]

Simplify each rational expression. Also, list all numbers that must be excluded from the domain. [x^3+2x^2]/[x+2]

Multiply or divide as indicated. [(x^2+6x+9)(x+3)]/[(x^2-4)(x-2)]

In Exercises 85–96, simplify each algebraic expression. 5(3x+4)−4