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20-02-2020
Mathematics

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

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animalsarecute animalsarecute

20-02-2020

So we know this expression:

7x^2 + 2x.

And we know x = 3.

(7*3)^2 + (2*3)

21^2 + 6.

441 + 6

447

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