SOLUTION: Please help solve this equation: the square root of x squared plus 7 minus x equals 7. Thanks!

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Question 506680: Please help solve this equation: the square root of x squared plus 7 minus x equals 7.
Thanks!

Found 2 solutions by jennywecas, MathTherapy:
Answer by jennywecas(28)   (Show Source): You can put this solution on YOUR website!
well the square root of x squared= x bc they cancel each other out.so
x+7-x=7
the x cancel out so x is infinante solutions

Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
Please help solve this equation: the square root of x squared plus 7 minus x equals 7.
Thanks!



-------- Adding x to both sides of equation

--------- Squaring both sides of equation





- 14x = 42

x = , or


--------
Check
--------








4 + 3 = 7 (TRUE)

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