Find the value of the expression 5nsq. + 5n - 2, when n =(-2)
Answers
Answered by
156
Expression, E(n) = 5n² + 5n -2
E(-2) = 5(-2)² + 5(-2) - 2
= 5(4) - 10 - 2
= 20 - 12
= 8
Hope it may help you !!!!!
E(-2) = 5(-2)² + 5(-2) - 2
= 5(4) - 10 - 2
= 20 - 12
= 8
Hope it may help you !!!!!
Answered by
51
The value of the expression at x = -2 is 8.
Step-by-step explanation:
The given expression is
5n²+ 5n -2
Substituting n = -2 in this expression
5(-2)²+ 5×(-2) -2
Simplify the expression
5×4 - 10 -2
= 20 - 12
= 8
The value of the expression at x = -2 is 8.
#Learn More:
Find the value of the polynomial 2x cube +2x when x=-1
https://brainly.in/question/8755614
Similar questions