0. Review of Algebra

In Exercises 15–58, find each product. (2x−3)(x²−3x+5)

In Exercises 33–68, add or subtract as indicated. (4x²+x−6)/(x²+3x+2)−3x/(x+1)+5/(x+2)

Multiply or divide as indicated. $\(\frac{x^3 - 8}{x^2 - 4}\) \(\cdot\) \(\frac{x + 2}{3x}\)$

Find all numbers that must be excluded from the domain of each rational expression. 7/(x−3)

In Exercises 15–58, find each product. (4x²+5x)(4x²−5x)

In Exercises 67–82, find each product. (x−y)(x²+xy+y²)

Find each product. (2x−5)(7x+2)

Add or subtract as indicated. 2/5x − (x+1)/4x

In Exercises 7–14, simplify each rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression. (3x−9)/(x²−6x+9)

In Exercises 15–32, multiply or divide as indicated. (x²−4)/(x²−4x+4) ⋅ (2x−4)/(x+2)