x²+x+vx²+x+10¬=10
x²+x+vx²+x+1 = 10 mmc = 10
10
10x² + 10x + 10vx² + 10x + 1 - 100 = 0
10x² + 10vx² + 20x - 99 = 0
(10 + v )x^2 + 20x - 99 = 0
delta = o
20^2 - 4.(10 + v).(-99)= 0
400 + 3960 + 396 v = 0
396 v = - 4360
v = - 4360 = - 2180 = - 1090
396 198 99
