Question

Find the value polynomial 5x-4x^2+3
x = 1, and x=20

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Answer 1

Answer:

see the picture I have sent

Answer 2

Answer:

Step-by-step explanation:

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

i)x=1

=5(1)-4(1)²+3

=5-4+3

=4

ii)x=20

=5(20)-4(20)²+3

=100-1600+3

=-1497