Question

The value of polynomial 4x2-7 at x=2 is ​

Answer 1

Answer:

9

Step-by-step explanation:

$4 {x}^{2} - 7 = 4 ({2})^{2} - 7 \\ = 16 - 7 = 9$

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Answer 2

Answer:

4(2) - 7

8-7= 1

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