Question

factorisation x2-16x-80​

with process

Answer 1

Answer:

hi

Step-by-step explanation:

X2 - 16X - 80

X2 - (20 - 4)X - 80

X2 - 20X + 4X - 80

X(X - 20) + 4(X - 20)

(X - 20)(X + 4)