The document provides examples of multiplying polynomials. Problem 1 multiplies (x-3)*(5x-4) and results in 5x^2-19x+12. Problem 2 multiplies (4+8x)*(-7x+5) and results in -56x^2+12x+20. Problem 3 multiplies (3z+22)*(9z-11) and results in 27z^2+165z-242.