Factor the polynomials:
(a) 9×2 −24x + 16
(b) 3×2 −12x + 15
2.Find the real solutions to the equation x2 −4x−1 = 0.
3. Find the real solutions to the equation x(x + 4) = 12.
4. Solve the following inequality, and express your answer using interval notation: 2x−2 ≥ 3 + x.
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