Multiply. (3x + 1)(x 2) 4. (x + 3)(x 3) – – (x 5)2 6. (5x + 7y)(5x 7y) – – Factoring: Factor completely. x2 + 4x 12 2. 6 5x x2 3. 2x2 + 2x 60 – – – – 9x2 5 5. 27x3 8 6. 2mn 2mt + 2sn 2 st – – – – Solve each equation: x2 4x 12 = 0 2. x2 + 25 = 10x 3. x2 14x + 40 = 0 – – –
Multiply. (3x + 1)(x – 2) 4. (x + 3)(x – 3) (x – 5)2 6. (5x + 7y)(5x – 7y) Factoring: Factor completely. x2 + 4x – 12 2. 6 – 5x – x2 3. 2x2 + 2x – 60 9x2 – 5 5. 27x3 – 8 6. 2mn – 2mt + 2sn – 2 st Solve each equation: x2 – 4x – 12 = 0 2. x2 + 25 = 10x 3. x2 – 14x + 40 = 0
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