Math, asked by mannu082006, 12 days ago

find the value of the polynomial 5x-4x2+3 at x=2​

Answers

Answered by udaysingh37
8

Answer:

The answer will be

5×2-4×2+3

10-8+3

13-8

5

Answered by Wibha
13

Answer:

5 \times x - 4 {x}^{2}  + 3 \\  = (5 \times 2) - 4 {2}^{2}  + 3 \\  = 10 - 4 \times 4 + 3 \\  = 10 - 16 + 3 \\  = 10 + 3 - 16 \\  = 13 - 16 \\  =  - 3

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