225
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The answer is 40.5 + 1.5*SQRT(665) & 40.5 - 1.5*SQRT(665) To solve this you need two equations: *x+y = 81 *xy = 144 *rearranging the first equation to y=81-x *substitute this into the 2nd equation to give x^2-81x+144=0 and solve for x
647
312
28
80+20 (and) 80*20(* means times)
The numbers are 26 and -14