A certain number added to its square is 30. Find the number.
2 answers:
I got this:
5²+5=30
For the work, I just took the square I though was closest to 30, and added 5.
Hope this helps!
If the number is n, then n²+n=30, so n²+n-30=0=(n+6)(n-5) so there are two answers: 5 and -6.
why there is 6?
You might be interested in
Answer:
p=-1,-4
q=-1,-2
s=3,-2
u=-5,-3
v=-1,1
Step-by-step explanation:
Answer:
blank space=
+
The answer should be 3 hours and 45 minutes if i did the math in my head correctly
Answer: 15m3 - 26m2 + 11m - 4
Answer: Order if operations
Step-by-step explanation:
15-10n+12n
15+12n
