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5 votes
Simplify when x=4 x^2-4

User MNZ
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2 Answers

1 vote
12; 4^2=16, then you subtract by 4
User GeckStar
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3 votes

Answer:

12

Explanation:

  • X=4

  • \sf \rightarrowtail \: {x}^(2) - 4 \\ \sf \rightarrowtail \: {(4)}^(2) - 4 \\ \sf \rightarrowtail \: 16 - 4 \\ \sf \rightarrowtail \: 12
User Jens Pettersson
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