Question

Разложите на множители )
1)3x^2-12 2) 50b-2a^2b 3) 2p^2-98a^2 4) 2z^2y-2y^2

Answer 1

1)3x²-12 =3(x²-4)=3(x-2)9x+2)
2) 50b-2a²b =2b(25-a²)=2b(5-b)(5+b)
3) 2p²-98a²=2(p²-49)=2(p-7)(p+7)
 4) 2z²y-2y²=2y(z²-y)