The following product is missing 3 numbers:

$\displaystyle{\left({3}{x}-{5}\right)}{\left({2}{{x}}^{{2}}+{4}{x}-{7}\right)}={6}{{x}}^{{3}}+?{{x}}^{{2}}+??{x}+???\usepackage{cmbright}\Huge\$

Find the product and then type the 3 missing coefficients, shown by the question marks, below.

(If a number is negative, include the negative sign.)