Answer:
[tex]-x^3+7x^2-6x-18[/tex]
Step-by-step explanation:
Use distributive property: [tex](-x+3)(x^2-4x-6)[/tex]
What is -x * x^2? Answer: -x^3
What is 3 * x^2? Answer: +3x^2
What is -x * -4x? Answer: +4x^2
What is 3* -4x? Answer: -12x
What is -x * -6? Answer: +6x
What is 3 * -6? Answer: -18
[tex]-x^3+3x^2+4x^2-12x+6x-18[/tex]
Combine like terms, and your answer would be....
[tex]-x^3+7x^2-6x-18[/tex]
Hope this helps :)
Have a great day!