Mathematics, 08.08.2019 03:20, lizbeth3169

1. the first formula found for solving cubic equations applied only to cubics without a square term. in modern notation, these look like these are sometimes called "depressed cubics." let y x- and substitute in the equation below to "red uce" the cubic. verify that the square term will disappear. now we can solve this equation for x using the formula forx, and then subtra ind y

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1. the first formula found for solving cubic equations applied only to cubics without a square term....