Your equation
2x^3 -11x^2 +12x +9 = 0
Can be factored to read
(x-3)^2 *(2x+1) = 0
which means 3 is a double root.
Please use a ^ before exponents when you write equations here.
For the equation 2x 3 - 11x 2 + 12x + 9 = 0, the root 3 has a multiplicity of _____.
1 answer