Question

Factor: 5x2 – 15x – 20.​

Answer 1

Step-by-step explanation:

5x2 – 15x – 20.

= 5(x2 – 3x – 4).

= 5{x(x - 4) +1(x - 4)}.

= 5(x-4)(x+1)

Answer 2

5x^2-15x-20

5(x^2-3x-4)

5(x^2-4x+1x-4)

5(x(x-4)+1(x-4))

5(x-4)(x+1)

Hope thse helps u to understand my ans