SOLUTION: Trying to help my daughter with her maths but it's been a long time! Pythagoras theory. Side 1 = x Side 2 = 15 Hypotenuse = x+5 Find x?

SOLUTION: Trying to help my daughter with her maths but it's been a long time! Pythagoras theory. Side 1 = x Side 2 = 15 Hypotenuse = x+5 Find x?

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Question 343468: Trying to help my daughter with her maths but it's been a long time!
Pythagoras theory.
Side 1 = x
Side 2 = 15
Hypotenuse = x+5
Find x?

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
From the Pythagorean theorem,

Use the FOIL method to expand the right hand side...

Take it from there to solve for

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