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What is the product? (5r-4)(r^2-6r+4)

2 Answers

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5r^3 - 34r^2 + 44r - 16 ____ Hope this helps for you!

User Infamoustrey
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4 votes

Use the FOIL method to simplify:


(5r - 4)(r^2 - 6r + 4)

-->
(5r)(r^2) + (5r)(-6r) + (5r)(4) + (-4)(r^2) + (-4)(6r) + (-4)(4)

--->
5r^3 - 30r^2 + 20r - 4r + 24r - 16

COmbine like terms---->
5r^3 - 34r^2 + 44r - 16

User Daniel Klischies
by
8.3k points

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