Question

3x²-15x-72 factorise by splitting the middle term .​

Answer 1

Step-by-step explanation:

x²-5x-24

x²-8x+3x-24

x(x-8) +3(x-8)

(x-8) (x+3)

Answer 2

Answer:

3(x^2-5x-24)

x^2-8x+3x-24

x(x-8)+3(x-8)

(x+3)(x-8)