Question

√(x²+x) + √(1-x) = √(15-x) + √(1-x)

Answer 1

$sqrt{x^{2}  + x$=$sqrt{15-x}$

$x^{2} +x=15-x$

$x^{2} +x-15+x=0$

$x^{2} +2x-15=0$

x=$frac{-2+8}{2}$

x=$frac{-2-8}{2}$

x$neq$3

x=-5