Question

Factorize by splitting the middle term:
a. 9x2-3x - 9​

Answer 1

Answer:

9x²-3x-9=0.

x =(1-√37)/6=-0.847

x =(1+√37)/6= 1.180

(3²x²-3x)-9=0

9x²-3x-9

9(x-3) x (x+3)

(9-x) or (x+3)

x=9 or x= -3