Question: 3. Solve log2 x + log2(-4x + 12) = 3. Hint: Checking the potential solutions is part of the solution. 4. Solve 36 e5-: -62:

3. Solve log2 x + log2(-4x + 12) = 3. Hint: Checking the potential solutions is part of the solution. 4. Solve 36 e5-: -62: =0. Hint: Write in the form a = b and then take a logarithm of both sides. 5. Find all solutions of cos 20 + 3 = 5 cos 0. Hint: Reduce to a quadratic equation in cos

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