SOLUTION: Can you help me? Perform the indicated operation 3x^2(5x^3-7x^2+4x-1)

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Question 233666: Can you help me?
Perform the indicated operation
3x^2(5x^3-7x^2+4x-1)
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!

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)