👤

Rezolvati ecuatia in R : (4x-3)(2-x)=(5+x)(1-4x)


Răspuns :

^2 inseamna la putere a 2

8x-4x^2-6+3x=5-20x+x-4x^2
-4x^2+4x^2+11x+19x=5+6
30x=11
x=11/30
8x-4 x la2-6+3x=5-20x+x-4xla2
-4x la2+11x-6=-4 x la2-19x+5
-4x la2+4x la2+11x+19x=5+6
30x=11
x=11/30