You can put this solution on YOUR website!
Is the equation
Start with the given equation.
Square each factor
Square 5 to get 25. Square
Square 15 to get 225.
Subtract 225 from both sides.
Combine like terms.
Take the square root of both sides
Break up the "plus/minus" to form two equations.
Take the square root of 100 to get 10.
So the solutions are
If "x" is a distance or length, then this means that the negative answer doesn't make much sense. So if "x" is a length or distance, then the only answer is