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Evaluate 5x²-4 when x = 3

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

asked
User Aaronmallen
by
9.1k points

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
answered
User Tillaert
by
8.2k points
2 votes
5(3)^2-4
5(9)-4
45-4
41
answered
User Larsen
by
8.0k points
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