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Evaluate the expression x^4+9x^2 when x=-3
29.9k views
2 votes
Evaluate the expression x^4+9x^2 when x=-3

User Twanna
by
5.9k points

2 Answers

7 votes

Answer:

162

Explanation:

User Rmorse
by
6.3k points
1 vote

Answer:

162

Explanation:

Step 1: Define

x⁴ + 9x²

x = -3

Step 2: Substitute and Evaluate

(-3)⁴ + 9(-3)²

81 + 9(9)

81 + 81

162

User Filiph
by
5.8k points
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