Разложите многочлен на множители:
a) 4c^3-32
b) 9x^2-6xy+y^2+12x-4y
c) m^2+n^2+2mn+2m+2n
a) 4c^3-32
b) 9x^2-6xy+y^2+12x-4y
c) m^2+n^2+2mn+2m+2n
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Answers & Comments
Объяснение:
а) 4c³ - 32 = 4(c³ - 8) = 4 (c - 2)(c² + 2c + 4)
b) 9x² - 6xy + y² + 12x - 4y = (9x² - 6xy + y²) + (12x - 4y) = (3x - y)² + 4(3x - y)
= (3x - y)(3x - y + 4)
c) m² + n² + 2mn + 2m + 2n + 1 =(m² + 2mn + n²) + (2m + 2n) + 1 = (m + n)² + 2(m + n) + 1= (m + n + 1)²