The equation (x³ + 2x²)(3x² + 2x + 1) = x^3(3x²+2x+1)+2x² (3x²+2x+1) is an example of which method/property?

Solution:
Given:
Using the distributive property;
[tex](a+b)(c+d)=a(c+d)+b(c+d)[/tex]Therefore, the equation is an example of distributive property.
OPTION B is correct