Explanation:
So leave (9x+4) and factor (2x2-17x-9) .
Factors into (2x+1)(x-9).
Now set (9x+4)=0 and find x. x= -4/9
set (2x+1)=0 x = -1/2
set x-9=0 so x=9. you have 3 solutions which are -4/9, -1/2, and 9.
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