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02-10-2020
Mathematics

contestada

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

Respuesta :

02-10-2020

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 Link

02-10-2020

Answer:

162

Step-by-step explanation:

Answer Link

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