Take the root of both sides, and solve.
x = 2i sqrt 2, -2i sqrt 2.
the product of five times a number and nine the difference of nine times a number and five the sum of five times a number and five the difference of five times a number and nine
X^2+4x+4+y^2-10y+25=-13+25+4
(x+2)^2 + (y-5)^2= 16
Third option