Evaluate the expression x^4+9x^2 when x=-3
2 answers:
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
Answer:
162
Step-by-step explanation:
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