Question

x=2 find the valu of the polynomial 5x–4x^2+3​

Answer 1

Answer:

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Step-by-step explanation:

5×2 - 4×2^2+3

10 - 4 × 4 + 3

10 - 16 + 3

- 6 + 3

= - 3 answer .

Answer 2

If the polynomial given by you is 5x-4x²+3 ,where x=2

then here is the solution,

5x-4x²+3

=5(2)-4(2)²+3

=10-16+3

=13-16

= -3

but if the polynomial is 5x-4x²+³

then the solution is,

5x-4x²+³

=5(2)-4x²×4x³

=10-4(2)²×4(2)³

=10-16×32

=10-512

= -502

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