How do you make it so that the simplify function displays the correct answer?
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syms s
simplify((s+30)*(s^2-20*s+200))
^ This is the code that I have currently. Instead of simplifying the entire expression, Matlab is just returing the original expression back to me: (s + 30)*(s^2 - 20*s + 200). How can I change it so that the entire expression actually gets simplified?
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Steven Lord
am 8 Mai 2022
syms s
simplify((s+30)*(s^2-20*s+200))
expand((s+30)*(s^2-20*s+200))
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Walter Roberson
am 8 Mai 2022
(s^2 - 20*s + 200)
The roots of that are 10 +/- 10i . So that expression is already fully factorized to real coefficients, and what you got is already the simplest version, under quite reasonable meanings of "simplify".
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