Разложи многочлен r2 – 7r + 10 на множители.
(r + 5)(r + 2)
(r + 10)(r + 1)
(r – 5)(r – 2)
(r – 10)(r – 1)
(r + 5)(r + 2)
(r + 10)(r + 1)
(r – 5)(r – 2)
(r – 10)(r – 1)
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Answers & Comments
r² - 7r + 10
r² - 2r - 5r + 10
r × (r - 2) - 5 × (r - 2)
(r - 5) × (r - 2)