SOLUTION: find the real solutions of this equation a radical whose index is 4 the square root of x squared plus 16 equals the square root of 5

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Question 123321: find the real solutions of this equation
a radical whose index is 4
the square root of x squared plus 16 equals the square root of 5
Answer by MathLover1(20850) About Me  (Show Source):
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a radical whose index is 4

4th root
root%28+4%29
the square root of x squared plus 16 equals the square root of 5
sqrt%28x%5E2%29+%2B+16+=+sqrt%285%29
x+%2B+16+=+sqrt%285%29
x+%2B+16+=+2.24
x+=+2.24+-+16
x+=+-13.76