Question

Find the value of polynomial 5x-4x^2+3 at x= -2​

Answer 1

Answer:

$5x - 4 {x}^{2} + 3$

$5( - 2) - 4( { - 2}^{2} ) + 3$

$- 10 - 4 \times 4 + 3$

$- 10 - 16 + 3$

$- 10 - 13$

$- 23$

Answer 2

Answer:

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