Answer: [tex]3x^3+6x^2-5x-10[/tex]
Step-by-step explanation:
[tex]\left(x+2\right)\left(3x^2-5\right)[/tex]
[tex]x\cdot \:3x^2+x\left(-5\right)+2\cdot \:3x^2+2\left(-5\right)[/tex]
[tex]=3x^3+6x^2-5x-10[/tex]
