[tex](-7x^3+9x^2-3).(-2x^2-5x+6)[/tex]
Apply distributive property:
[tex]-7x^3(-2x^2)-7x^3(-5x)-7x^3(6)+9x^2(-2x^2)+9x^2(-5x)+9x^2(6)-3(-2x^2)-3(-5x)-3(6)[/tex][tex]14x^5+35x^4-42x^3-18x^4-45x^3+54x^2^{}+6x^2+15x-18[/tex]
Combine like terms
[tex]14x^5+17x^4-87x^3+60x^2+15x-18[/tex]
