Question

evaluate it ::::::::​

Answer 1

Explanation:

Check the picture in the attachment for explanation

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Answer 2

p(x)=x^2-4x+3

p(2)=(2)^2-4×2+3

=4-8+3

=-1

p(-1)=(-1)^2-4×(-1)+3

=1+4+3

=8

p(1/2)=(1/2)^2-4(1/2)+3

=1/4-2+3

=1/4+1

=5/4

p(2)-p(-1)-p(1/2)=(-1)-(8)-(5/4)

=-1-8-5/4

=-41/4