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(b+3)(b+7) FOIL method
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(b+3)(b+7) FOIL method

User Christian Grabowski
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2 Answers

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(b+3)(b+7)

b^2+10b+21
User DNy
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8.1k points
2 votes

Explanation:

(b + 3)(b + 7) = ...

= b² + (3 + 7)b + (3•7)

= b² + 10b + 21

User Pragnesh Vitthani
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8.1k points
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