Question

factorice cada expression
1)x2-8x-9​

Answer 1

Answer:

x

2

+

8

x

−

9

is the answer ok

Answer 2

Answer:

X2-9x+x-9x=0

X(x-9)+1(x-9)=0

(X+1)(x-9)=0

x is either minus 1 or X is 9