Find ALL of the roots using the graph and synthetic division, for the following function: f(x) = x^4 +2x^3 - 11x^2 - 6x + 24​

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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