Question

all sums tell me in pollynomial​

Answer 1

Answer:

Step-by-step explanation:

1...x²- 2x-8

= x²-4x+2x -8

= x(x-4)+2(x-4)

= (x+2)(x-4)

= x+2=0. ; x-4=0

= x=-2. ; x =4