Question

Q. Find the value of the following expressions when n= (-2)
a) 5n2+5n+2
b) 6n-3

Kindly show your working, thank you!

Answer 1

Answer:

b. -15

a. I have to solve first then I will provide you the answer

Answer 2

Answer:

a) putting value of n=-2 in given equation gives

=5(-2)^2+5(-2)+2

=5*4-10+2

=12

b) similarly,

=6(-2)-3

=-12-3

=-15