Question

Разложите на множители 6a^2b^2-600a^2c^2 и 7a^2-28ab+28b^2

Answer 1

6A^2B^2 - 600A^2C^2 = 6A^2 * ( B^2 - 100C^2 ) =
 = 6A^2 * ( B - 10C ) * ( B + 10C )
--------------------
7A^2 - 28AB + 28B^2 = 7 * ( A^2 - 4AB + 4B^2 ) = 
= 7 * ( A - 2B ) * ( A - 2B )