Hi, Can someone tell me how to convert: (x + 5.4 - 7.2i)(x + 5.4 + 7.2i)(s + 5) to Cubic form please
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Should that last bracket have x + 5 in it instead of s + 5? If not, you don't have a cubic...
yeah sorry, its x + 5
Do you know how to distribute from one polynomial to another? i.e. multiply them?
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