Question

if n=-2 find thevalue of 5n2+5n-2
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Answer 1

Answer:

Given

n= -2

To find

5n^2+5n-2

5n^2+5n-25×(-2)^2+5×(-2)-2

5×4+(-10)-2

20-10-2

20-12= 8

Answer 2

Answer:

28

Step-by-step explanation:

n=2

5n2+5n-3

5(2)2+5(2)-2

20+10-2

28