Question 274665
x^2 + 10x + 16 = e^3
x^2+10x  =e^3-16
x^2+10x+25=e^3+9 completing the square.
(x+5)^2=e^3+9
x+5=+-sqrt(e^3+9)
x=-5+sqrt(e^3+9), x=-5-sqrt(e^3+9)
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Ed