Question

Factorise 4x^2-11x-20

Answer 1

Answer:

4x^2-11x-20

Step-by-step explanation:

4x^2+5x-16x-20

x(4x-5)-4(4x-5)=0

(x-4)(4x-5)=0

x=4,5/4

Answer 2

Answer:

Refers to the attachment.... Hope it helps.... Thanks.... It is by 2 methods when is quadratic square and when is middle term splitting you can do anyone.... thanks....