3 years ago

Evaluate the expression x^4+9x^2 when x=-3

Mathematics

2 answers:

aalyn [17]3 years ago

6 0

Answer:

162

Step-by-step explanation:

Step 1: Define

x⁴ + 9x²

x = -3

Step 2: Substitute and Evaluate

(-3)⁴ + 9(-3)²

81 + 9(9)

81 + 81

162

Yuliya22 [10]3 years ago

6 0

Answer:

162

Step-by-step explanation:

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