At which root does the graph of f(x) = (x + 4)6(x + 7)5 cross the x ax

1.	At which root does the graph of f(x) = (x + 4)6(x + 7)5 cross the x axis?
Answer» At which root does the graph of f(x) = (x + 4)⁶(x + 7)⁵cross the x axis? Solution:

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