0. Review of Algebra

Find each product. See Examples 3–5. 4x^2(3x63+2x^2-5x+1)

In Exercises 23–34, find each product using either a horizontal or a vertical format.(xy+2)(x²y²−2xy+4)

In Exercises 29–40, add the polynomials. Assume that all variable exponents represent whole numbers.(7x²y − 5xy) + (2x²y − xy)

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

In Exercises 29–40, add the polynomials. Assume that all variable exponents represent whole numbers.(5x²y + 9xy + 12) + (−3x²y + 6xy + 3)

In Exercises 35–54, use the FOIL method to multiply the binomials.(x+5)(x+8)

In Exercises 29–40, add the polynomials. Assume that all variable exponents represent whole numbers.(9x⁴y² − 6x²y² + 3xy) + (−18x⁴y² − 5x²y − xy)

In Exercises 35–54, use the FOIL method to multiply the binomials.(y+5)(y−6)

Find each product. See Examples 3–5. (m-n+k)(m+2n-3k)

Find each product. See Examples 3–5. (r-3s+t)(2r-s+t)

Find each product. See Examples 3–5. (2x+3)(2x-3)(4x^2-9)

In Exercises 35–54, use the FOIL method to multiply the binomials.(5x+3)(2x+1)

In Exercises 33–68, add or subtract as indicated. 5/x + 3

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

In Exercises 33–68, add or subtract as indicated. 3x/8 + x/12