factorising urgent

Question

Factorise 

 

1. 2x²-8x

2. 6x+9x³

3. 12x³-4x²

Answer 1

To factor, extract common elements from each term:

 

1. 2x²-8x = 2(x²-4x) = 2x(x-4)

2. 6x+9x³ = 3(2x+3x³) = 3x(2+3x²)

3. 12x³-4x² = 4(3x³-x²) = 4x²(3x-1)