Question

find the value of each of the expression
20m2+ 30m +40 when
a)m=3
b)m=-4​

Answer 1

a)m=3

=

20×(3)^2+30×3+40

=

310

b) m= -4

20(-4)^2+30×(-4)+40=320-120+40

=240

Answer 2

Answer:

a) 250

b) -80

hope it helps