If x=1,y=2 is a solution of the equation a square multiply+ay=3, then find the value of a

If x=1,y=2 is a solution of the equation a square multiply+ay=3, then

1.	If x=1,y=2 is a solution of the equation a square multiply+ay=3, then find the value of a
Answer» The given equation isa2x + ay = 3x = 1 and y = 2a2(1) + a(2) = 3a2 + 2a - 3 = 0(a +3) (a -1) = 0a + 3 = 0 or a - 1 = 0a = -3 or a = 1