0. Review of Algebra

Simplify each complex fraction. [ (y+3)/y - 4/(y-1) ] / [ y/(y - 1) + 1/y ]

Simplify each complex fraction. [ (x+4)/x - 3/(x-2) ] / [ x/(x - 2) + 1/x ]

In Exercises 83–90, perform the indicated operations. Simplify the result, if possible. (2−6/(x+1))(1 + 3/(x−2))

In Exercises 69–82, simplify each complex rational expression. (1/(x+h)² − 1/x²)/h

In Exercises 69–82, simplify each complex rational expression. (3/(x−2) − 4/(x+2))/(7/x²−4)

In Exercises 85–96, simplify each algebraic expression. 7−4[3−(4y−5)]

Perform the indicated operations. (2x²-x)+(x²+4x)

Find each product. (14r-1)(17r+2)

Add or subtract, as indicated. $-(8x^3+x-3)+(2x^3+x^2)-(4x^2+3x-1)$

Add or subtract, as indicated. $3(8p^2-5p)-5(3p^2-2p+4)$

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. 9

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. $\left(2/3\right)t^6+\left(3/t^5\right)+1$

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. (3/8)x⁵-(1/x²)+9