Question

find the value of polynomial
7-2x + 3x sq. at
1) x=0 2)x=2. 3) x= -2​

Answer 1

Step-by-step explanation:

1) 7-2(0) +3(0)^2

= 7-0+0

=7

2) 7-2(2)+3(2)^2

=7-4+12

=15

3)7-2(-2)+3(-2)^2

=7+4+12

=23