Question 240743
sqrt(2x+9)-sqrt(x+1)=2
3x-(2sqrt(2x+9)*sqrt(x+1))+10=4 square each side
-(2sqrt(2x+9)*sqrt(x+1))=-3x-6 
8x^2+44x+36=9x^2+36x+36 square each side
x^2-8x=0 Subtract the left side from the right.
x(x-8)=0
x=8, x=0
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Ed