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Mathematics 14 Online
OpenStudy (anonymous):

Solve the equation, if possible. 4=4√x-4

OpenStudy (anonymous):

Step 1: Add 4 to both sides. What does that give you?

OpenStudy (anonymous):

8 = 4√x

OpenStudy (lalaly):

now divide both sides by 4

OpenStudy (anonymous):

2=√x

OpenStudy (lalaly):

ok now square both sides

OpenStudy (anonymous):

4=x

OpenStudy (lalaly):

:D

OpenStudy (anonymous):

I have another one

OpenStudy (anonymous):

b=(√5b+4)-2

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