It is a cubic function of y.
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2ay2 + 5ay - 3a = a(2y2 + 5y - 3) = a(2y - 1)(y + 3)
88 + 5y - y2 66 - 3y + y2 Subtract: 22 + 8y -2y2
The LCM is 72y^3.
6x^3y^2
you may use perfect square as shown below. 2y2+3y = -e-x+ex+5 2(y2+2(3/4)y + 9/16)-9/8 = -e-x+ex+5 2(y+3/4)2 = -e-x+ex+5 (y+3/4)2 = (-e-x+ex+5)/2 y+3/4 = +-((-e-x+ex+5)/2)1/2 y=+-((-e-x+ex+5)/2)1/2 -3/4