Răspunsuri

2014-02-16T23:01:28+02:00
Ce este la puterea a 2-a?
  • Utilizator Brainly
2014-02-16T23:03:19+02:00
5x-4x(x+2)=3-(2x+1)^2
5x-4x^2-8
x=3-4x^2-4x-3
-4x^2-3x=-4x^2-4x
1 5 1