Explain why the expression 7*3^x is not equal to the expression 21^x

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asked Apr 15, 2018 6.5k views

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Another Dude · Answer 1 · 2018-04-20T15:00:49+0000

According to the order of operations, exponents must be evaluated before multiplication.

Here's and example where x=2.
7*3^2
7*9
63

21^2=441

63 does not equal 441

Explain why the expression 7*3^x is not equal to the expression 21^x

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