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OpenStudy (anonymous):
3. Simplify 3n(4n2 + 5n). (1 point) 12n3 + 15n2 7n2 + 8n 12n2 + 15n 12n2 + 8n 4. Factor 18s – 63. (1 point) 9(2s + 7) 6(3s – 11) 18(s– 3) 9(2s – 7) 5. What is the simpler form of ? (1 point) 25x6 + 20x3 – 4 25x6 – 20x3 – 4 25x9 – 4 25x6 – 4 6. Simplify (x + 7)(x + 5). (1 point) x2 + 12x + 35 x2 + 35 x2 + 12x + 12 x2 + 12x + 2 7. Simplify (2z – 3)2. (1 point) 4z2 – 9 4z2 – 9z 4z2 – 12z – 9 4z2 – 12z + 9
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