Question

find the value of the following expression , when n = 2. 5n2 + 5n-2​

Answer 1

Answer:

15.5 is the answer for that question and click on the heart symbol

Answer 2

Answer:

5(-2)-2=-10-2=-12

5(-2)^2+5(-2)-2=5(4)-10-2=20-12=8

(-2)^3+5(-2)^2+5(-2)-2=-8+5(4)-10-2=-8+20-12=-12-12=-24

Explanation: