Math, asked by arunasurya, 10 months ago

The value of the polynomial 7x4+ 3x2-4, when x = -2 is:

Answers

Answered by meetnandita

1

Answer:

-72

Step-by-step explanation:

7x4 + 3x2-4 = 7 (-2) 4 + 3 (-2) 2- 4 = -56 + -12 - 4 = -72

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