Question

5x^2+6x-1=2-8x ajutati-ma va rog

Answer 1

Explicație pas cu pas:

5x²+6x-1=2-8x =>

5x²+6x-1-2+8x=0 =>

5x²+14x-3=0 =>

5x²+15x-x-3=0 =>

5x(x+3)-1(x+3)=0 =>

(x+3)(5x-1)=0 <=>

x+3=0=>x=-3

sau

5x-1=0 => x=1/5

x€{-3;1/5}