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What is (7r - 1)(8r^2 + 8r + 1)
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What is (7r - 1)(8r^2 + 8r + 1)

User Injeniero Barsa
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1 Answer

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(7r - 1)(8r² + 8r + 1)

7r*(8r² + 8r + 1) - 1*(8r² + 8r + 1)

56r³ + 56r² + 7r - 8r² - 8r - 1

56r³ + 56r² - 8r² + 7r - 8r - 1

56r³ + 48r² - 8r² - r - 1
User IShubhamPrakash
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