Solution - Polynomial root calculator

x = - 0.4

x=-0.4

Step-by-step explanation

$15 x + 6 = 0$

$a_{n} = 15$

$a_{0} = 6$

Rewrite in standard form P(x)=0, then identify the leading and constant coefficients.

No rational candidate set is available; switch to a numeric solve for the remaining polynomial.

After deflation, solve the remaining factor using linear isolation.

$x = - 0.4$

All roots with multiplicity: x={-0.4}.

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