SOLUTION: What is the first step in solving the equation √x+3=9? Why?
Algebra.Com
Question 279258: What is the first step in solving the equation √x+3=9? Why?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What is the first step in solving the equation √x+3=9? Why?
----
Square both sides to get rid of the "square-root" sign on the left side.
---
You get:
x+3 = 81
x = 78
---
Test that in the original equation to see if you get a true statement.
---
It works.
Cheers,
Stan H.
RELATED QUESTIONS
In solving the following equation, what is the first step?
1/3 (x+9)= 1/2x
(answered by DrSteve)
In solving the following equation, what is the first step?
1/3 (x+9)= 1/2x
(answered by ikleyn)
Explain why the first step in solving the equation √(x+7)-√x=1 is not to square each... (answered by MathLover1,MathTherapy,Alan3354)
What is the common error in the first step of solving the following problem.... (answered by ChillyWiz282)
what is the first step in solving the equation... (answered by unlockmath)
what is the first step in solving the equation x + 78 =... (answered by josmiceli)
solve, step by step √(x+5)+√(2x+3)=9
√=square root
( )=what is... (answered by jim_thompson5910)
What is the first step in solving this logarithmic equation: log 3 + log (x + 1) = log... (answered by ewatrrr)
5(5x - 2) = 15
What is the first step when solving the above equation for... (answered by ewatrrr)