Identify the roots of -3x^3-21x^2+72x+540=0. State the multiplicity of each root.

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John Goodman · Answer 1 · 2019-03-06T02:10:27+0000

y = -3(x^3 + 7x^2 - 24x - 180) Taking that three out makes your life a whole bunch easier.
y = -3*(x - 5)*(x+6)^2
(x - 1) has a multiplicity of 1 and (x + 6) has a multiplicity of 2 <<<=== answer
The graph can be found at wolframalpha
google it.

Identify the roots of -3x^3-21x^2+72x+540=0. State the multiplicity of each root.

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