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What is the value of 7x squared + 2x when x=3

What is the value of 7x squared + 2x when x=3
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What is the value of 7x squared + 2x when x=3

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User Dilawar
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Answer:441

Step-by-step explanation:7x squared + 2x when x=3

7x3=21 squared would be 21x21

=441

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User GreenFox
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