Q. Use the Fundamental Theorem of Algebra to find the number of complex roots of the polynomial, including any repeated roots. −3x3−19x2+18____
Identify Polynomial Degree: Look at the polynomial −3x3−19x2+18 and find the highest power of x, which is 3. This is the degree of the polynomial.
Apply Fundamental Theorem of Algebra: According to the Fundamental Theorem of Algebra, a polynomial of degree n has exactly n complex roots, counting multiplicity.
Determine Number of Complex Roots: Since the degree of our polynomial is 3, it must have 3 complex roots.