Question

Factor: 5x2 – 15x – 20.

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

(b) -2(x-4)(x+5),

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

(d) 5(x+4)(x+1).​

Answer 1

Hey mate...

here's the answer

5x2 – 15x – 20.

= 5(x2 – 3x – 4).

= 5(x2 – 4x + x – 4).

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

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

Hope it helps ❤️

Answer 2

Hey mate.

The correct answer of this

equation(5x2-15x-20)

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

Hope it help.

Mark me as brainliest.