Question

find the value of polynomial 5x-4x2+3 at x=2 and x=-1/2​

Answer 1

Answer:

We put x=0x=0 in the given expression.

⇒5x−4x2+3⇒5x−4x2+3 =(5×0)−(4×0)+3=(5×0)−(4×0)+3 =3=3

So the value of the polynomial at x=0x=0 is 33.

Step-by-step explanation:

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Answer 2

Answer:

5x-4×2+3 (x=2,x=1/2)

Step-by-step explanation:

suppose x=2

suppose x=2then

=5×2-4×2+3

=10-8+3

=2+3

=5

OR

Suppose x=1/2

Suppose x=1/2then

= 5×1/2-4×2+3

= 5/2-8+2

= 5/2-6

= -30/2

= -15

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