Problems Problem 2.1: Solve for x: x2 - x - 6 = 0 [Solution] Problem 2.2: Solve for x: x2 - 9x + 20 = 0 [Solution] Problem 2.3: Solve for x: x2 + 11x + 24 = 0 [Solution] Problem 2.4: Solve for x: x2 + x - 90 [Solution] Problem 2.5: Solve for x: 3x2 - 15x + 12 [Solution] Problem 2.6: Solve for x: x2 +4x+4 = 0 [Solution] Problem 2.7: Solve for x: -2x2 - 4x + 30 = 0 [Solution] Problem 2.8: Solve for x: (x - 4)2 - 1 = 0 Hint: Square the binomial and simplify, then factor. [Solution]
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