167k views
2 votes
Evaluate 5x²-4 when x = 3

2 Answers

1 vote
5(3²) - 4
Simplify the exponent.
5(9) - 4
Distribute the 5 into 9
45 - 4
41

Your answer is 41

User Tillaert
by
6.9k points
2 votes
5(3)^2-4
5(9)-4
45-4
41
User Larsen
by
6.3k points
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