Question 8615
Ok, A=(4x-sqrt+10)sqrt

(4x-4)+(x-3)= 2x+5 You solve for x to figure out what base, height, and hypotenuse is. 

(4x+x)+ (-4-3)=2x+5
5x-7=2x+5
5x=2x+12
3x=12
x=4