Asked by Ariana
                - x^2 + 9x -18
please EXPLAIN step by step
thank you kindly
            
        please EXPLAIN step by step
thank you kindly
Answers
                    Answered by
            oobleck
            
    explain what?
It's a parabola that opens downward.
What else do you want to know about it?
just for grins, what are two factors of 18 that add up to 9?
    
It's a parabola that opens downward.
What else do you want to know about it?
just for grins, what are two factors of 18 that add up to 9?
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