Разложите многочлен на множители:

5x2 – 5;

18b2 – 2c2;

x3 – 81x;

3y3 – 300y;

5a2+10ab+5b2;

2x2+4x+2;

3m2+3n2 – 6mn;

8n2 – 16n+8;

– 3x2+12x – 12;

–2a3+20a2b – 50ab2;

a4 – 16;

b8 – c8;

6x5y – 24xy3;

0,3y2 – 2,7y6;

(x2+1)2 – 4x2;

(y2+2y)2 – 1;

(a2+2ab+b2) – c2;

1 – m2 – 2mn – n2.