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How do I find the roots of a cubic equation?
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How do I find the roots of a cubic equation?

User Leberknecht
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2 Answers

1 vote

Answer:

by reducing it into a quadratic equation and then solving

Explanation:

User Fred Yang
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1 vote

Answer:First, we need to find which number when substituted into the equation will give the answer zero. Therefore is a factor. Factorise the quadratic until the expression is factorised fully. Therefore the roots occur when = -3, -2 and 1.

Explanation:

User Chikadance
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