Factoring cubes Volgen nighthour 2 december 2017 07:02 Bewerkt 0 I am surprised that Sal doesn't teach the "SOAP" method for the signs. 27x³+125y³ 27x³-125y³ Same Opposite AlwaysPositive ⬇️..........⬇️.....⬇️ (a+b) (a² — ab + b²) (a -b) (a² + ab + b²)
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