Based on what you've read, answer the following questions. 1. Use the FOIL method to solve the following problems. a. (a + b)(2a – 3b2) = ? b. (k – 8)(4k + b) = ? c. (7x – 15)(2x + 2) = ? d. (3ab – 1)(2ab + 6) = ? 2. Use the difference of two perfect squares method to multiply the following problems. a. (a – 3)(a + 3) = ? b. (x + y)(x – y) = ? c. (n + 5)(n – 5) = ? d. (z – 2)(z + 2) = ? 3. Square each of the following binomials. a. (2z – 5)2 = ? b. (3q + 3)2 = ? c. (s – 2t)2 = ? d. (3t – 4)2 = ?