Factorization-Important Questions

1.   Factorise: 54x² + 42x³ – 30x⁴

2.   Factorise: 2x²yz + 2xy²z + 4xyz

3.   Factorise: 30xy – 12x + 10y– 4

4.   Regroup the terms and factorise: z – 19 + 19xy – xyz

5.   Factorise: 100x² – 80xy + 16y²

6.   Factorise: 16x⁴ – y⁴

7.   Factorise: x² + 6x + 8

8.   Factorise: 49y² – 1

9.   Divide 10(x³y²x² + x²y³z² + x²y²z³) by 5x²y²z².

10.   Simplify: 12(y² + 7y + 10) ÷ 6(y + 5)