SOLUTION: Solve. square root of 4x+4 -8=0 2+ square root of 3x-2 = 0

Question 118121: Solve.
square root of 4x+4 -8=0

2+ square root of 3x-2 = 0
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
square root of 4x+4 -8=0
:
- 8 = 0
:
Add 8 to both sides:
= 8
:
Square both sides and you have:
4x + 4 = 64
:
subtract 4 from both sides:
4x = 64 - 4
4x = 60
Divide both sides by 4
x =
x = 15
:
You can substitute 15 for x in the original equation and check our solution
:
:
2+ square root of 3x-2 = 0
:
2 + = 0
:
Subtract 2 from both sides
= -2
You can see that his will not have a solution, but we can proceed with the method:
Square both sides:
3x - 2 = +4
3x = 4 + 2
3x = 6
x =
x = 2
:
Substitute 2 for x in the original equation
2 + = 0
2 + } = 0
2 + 2 does not = 0 so this is not a solution
:
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