Answer:
See below.
Step-by-step explanation:
To multiply a monomil by a polynomial, multiply the monomial by each term of the polynomial.
Example: Multiply 3x^2 by 4x^2 + 5x - 2
3x^2(4x^2 + 5x - 2) =
= 3x^2 * 4x^2 + 3x^2 * 5x + 3x^2 * (-2)
= 12x^4 + 15x^3 - 6x^2
