The equation x² + 81 = (x + 10)² is equivalent to [tex]\sqrt{x^2 + 81} = x + 10[/tex]
How to determine the equivalent equation?
The equation is given as:
[tex]\sqrt{x^2 + 81} = x + 10[/tex]
Square both sides
x² + 81 = (x + 10)²
Although it can be further simplified, the above equation is equivalent to [tex]\sqrt{x^2 + 81} = x + 10[/tex]
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