Factor \(x^3 + 8x^2 + 6x + 48\)
There isn't really a clear way of solving cubic equations. You can use any math calculator online, but if you're on paper, test some values. You can find factors of 48, then try from there.
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x^3 + 8x^2 + 6x + 48 factor by grouping
x^2( x + 8) + 6(x + 8)
(x + 8)(x^2 + 6)