№1. Виконай множення:
1. (x–1)(x+5)
2. (3х–5)(2х+7)
3. (5х2–1)(5х+1)
4. (4x2–x)(2x2+3х)
5. (–2–у)(у2+3)
6. (а–3)(а2+4а+2)
7. a(2a–1)(3a+2)
1. (x–1)(x+5)
2. (3х–5)(2х+7)
3. (5х2–1)(5х+1)
4. (4x2–x)(2x2+3х)
5. (–2–у)(у2+3)
6. (а–3)(а2+4а+2)
7. a(2a–1)(3a+2)
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