Question 441172
x2+(x+5)2=(x+10)2
x2+x2+10x+25=x2+20x+100
2x2+10x+25=x2+20x+100
x2-10x-75=0
(x-15)(x+5)=0
x=15 or -5
Throwing out the negative answer, we get the sides of the triangle to be 15,20, and 25 inches, respectively..