Question 233666

3x^2 * (5x^3 - 7x^2 + 4x - 1)


Multiplication is indicated.


Multiply each term within the parentheses by 3x^2 to get:


(3x^2 * 5x^3) - (3x^2 * 7x^2) + (3x^2 * 4x) - (3x^2 * 1)


This equals:


15x^5 - 21x^4 + 12x^3 - 3x^2


You use the fact that x^a * x^b = x^(a+b)