Question

the value of the polynomial 4x²-5x-20 when x=-2 is​

Answer 1

Answer:

Step-by-step explanation:

4(-2^2)-5(-2)-20

4*4+10-20

16+10-20

=6

Answer 2

Answer:

Step-by-step explanation:

4(x)^2 - 5x - 20

x = -2

4(-2^2)-5(-2)-20

4*4+10-20

16+10-20

=6