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a) m² - 36 =
Б ) 9[tex]x^{2}[/tex]-[tex]\frac{1}{16}[/tex]=
B) 25b² - 49c²
a) m² - 36 =
Б ) 9[tex]x^{2}[/tex]-[tex]\frac{1}{16}[/tex]=
B) 25b² - 49c²
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Ответ:
m²-36 = 35²
25b²-49c² = -24²
б) 9x^2 - 1/16= (3x)^2 - (1/4)^2 = (3x- 1/4)(3x+ 1/4)
в) 25b^2 - 49c^2= (5b)^2 - (7c)^2 = (5b-7c)(5b+7c)