Question

Разложите на множители:
1.)25а-аb²
2.) 3а²-6а+3

Answer 1

$1) 25a-ab^2=a(25-b^2)=a(5^2-b^2)=a(5-b)(5+b)$
$2)3a^2-6a+3=3(a^2-2a+1)=3(a-1)^2$