Question

calcule p(2)=3x2-x+5

Answer 1

p(2)=3x2-x+5
p(2)=3.2.2-2+5
p(2)=12+3
p(2)=15

Answer 2

p ( 2 ) = 3x² - x  + 5

p ( 2 ) = 3 . ( 2)² - 2 + 5

p ( 2 ) = 3 . 4 - 2 + 5

p ( 2 ) =   15