Algebraic Expression Expansions

Practice flashcards reviewing single-term distribution across polynomial expressions from the lecture notes.

What is the expanded form of $5a(3a + 2b - 7c)$?

$$15a^2 + 10ab - 35ac$$

What is the product of $4a$ and $(5a^2 + ab + 4c)$?

$$20a^3 + 4a^2b + 16ac$$

What is the result of multiplying $7x^2$ by $(3x + 4y - 2z)$?

$$21x^3 + 28x^2y - 14x^2z$$