problem ~ ( 2x^2 ) ( 4x^3 y^2 )
answer ~ 2^3 x^5 y^2
step by step
(2* (x^2)) * (2^2 x^3 * y^2)
2x^2 * 2^2 x^3 y^2
x^2 multiplied by 2^2 = 2^(1+2) = 2^3
2^3 x^5 y^2