а) 8х-2х² = 2х(4-х)
б) 4a²b-6ab²+10a²b² = 2ab(2a-3b+5ab)
в) 4m²-12m+9 = (2m)² - 2×2m×3 + 3² = (2m-3)²
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а) 8х-2х² = 2х(4-х)
б) 4a²b-6ab²+10a²b² = 2ab(2a-3b+5ab)
в) 4m²-12m+9 = (2m)² - 2×2m×3 + 3² = (2m-3)²