101k views
0 votes
Find a negative real number such that the square of the sum of the number and 5 is equal to 48

User Neoweiter
by
5.9k points

1 Answer

5 votes
(n+5)^2=48
sqrt both sides
n+4=+/-4√3
minus 4 both sides
n=-4+/-4√3

-4+4√3>0 so this cannot be the value of n
n=-4-4√3

the number is -4-4√3
User MasterOdin
by
5.9k points