Respuesta :

Answer:

45x³

Step-by-step explanation:

Given

3x × 15x²

= 3 × 15 × x × x²

= 45 × x³

= 45x³

Answer:

45x^3

Step-by-step explanation:

Multiply the digits that is 15 x 3

Then multiply the Variable x^2 and x

variables are added when multiplied keep this rule in mind always