34 1. Simplify the expresslon: -3°(7x2-x+4) a. 21x4 4 3x3-12x2 c. -21x4 4 3x3 - 1242 b. 21x4 + 3x + 12x2 d. -21x4-33-1232 2. Find the product of (2x + 3) and (x + 5) a. 2x2 4 13x - 15 c. 2x2 - 13x - 15 b. 2x2 + 13x + 15 d. 2x2 - 13x + 15 2 ht 3. Simplify the given expression: (x-7)2 a. x2 + 14x14 c. X2 -14-14 b. x2 -14% - 49 d. x2-14x + 49 2 4. What is the product of x®(2x2 + 3x)? a. 2x - 3x4 c. 2x5 + 3x2 b. 2y + 3x3 d. 245 + 3x4 5.(62 + 2b + 1) multiplied by (b + 3) is equal to a. b3 + 5b2 + 7b + 3 c. b3 + 6b2 + 5b + 3 b. b3 + 6b26b + 3 d. b3 + 7b2 + 5b + 3 6. Multiply: (5y-7)(-y) a. -5y2-7 b. 4y2 - 7 c. -5y2 + 7y d. 4y2 + 7y 7. Determine the product: 4x(10 - 8x + 4x). a.-16x2 + 40x c. -32x2 + 16x2 + 40x b. 40x - 32x2 4 16x2 d. 40x + 16x2 24 8. The product of (7x-6) and (5x + 6) is a. 35x2 - 12x - 36 c. 35x2 + 12x + 36 b. 35x2 + 12x - 36 d. 35x + 12x2-36 9. Simplity: (8x-2)(6x-9) a. 48x2 - 84x - 18 b. 48x2 - 84x + 18 c. 48x2 + 84x + 18 d. 48x2 + 84x - 18 10. What is the product of (x2 + 6x-4) and (2x - 3)? a. 2x3 - 9x2-26x + 12 c. 2x3 + 9x2 - 26x - 12 b. 2x3 + 9x2 + 26x + 12 d. 2x3 + 9x2 - 26x + 12​