Find all values of x such that \(\sqrt{4x^2} - \sqrt{x^2} = 6\)

Please help me asap! I appreciate your help!

Web2.0CalcUser123
Nov 3, 2018

#1**+1 **

sqrt (4x^2) - sqrt (x^2) = 6 we can write

2sqrt (x^2) - sqrt (x^2) = 6

sqrt (x^2) = 6 square both sides

x^2 = 36 take both roots

x = ± 6

CPhill
Nov 3, 2018

#2**0 **

CPhill, when I entered your answer, it said that 6 is wrong.....

Can you re-answer?

Web2.0CalcUser123
Nov 3, 2018