Question

Evaluate 2xsquared by 2 − 5y over 3x −y when x = 2 and y = -4.

Answer 1

(2x^2 -5y)/(3x-y)
((2*2)^2-(5*-4))/((3*-4)-(-4))
(4^2+20)/(-12+4)
36/-8
-4.5