SOLUTION: Solve √(r+4) +2 = r
Algebra.Com
Question 176792: Solve √(r+4) +2 = r
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
:
subtracted 2 from both sides
:
square both sides
:
carried out operations
:
combined terms all on one side
:
:
r=0 and r=5
:
at times one will get extraneous roots when a term is squared
:
r=0 is one such root
:
therefore the only solution is r=5
RELATED QUESTIONS
Please help me solve for R for this equation: {{{(3/(5+R)) + (R/(R+2))=(R+4)/(R+5)... (answered by rmromero)
1/r + 2/(1- r) = 4/r^2 ; solve for... (answered by MathLover1)
solve... (answered by jim_thompson5910)
A=pie(R)(S)+ Pie(R)^2
solve 4... (answered by checkley77)
5(r-8)+4>6(r+2)-28 solve
(answered by MRperkins)
Solve for r.
S = (a^2)/(1 - sqrt{r^4})
(answered by math_tutor2020)
solve for r;... (answered by lynnlo)
Solve rational equation... (answered by jim_thompson5910)