find the graph of - X square + 10 X + 9
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x^2 +10x +9 = x^2 + x + 9x + 9
= x(x+1) + 9(x+1)
= (x+1) (x+9).
= x = -1 , x= -9 .
So, the coordinates are (-1 , -9)
= x(x+1) + 9(x+1)
= (x+1) (x+9).
= x = -1 , x= -9 .
So, the coordinates are (-1 , -9)
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