Решите плез:) (3x+2)^2=3(x+2)

[latex] (3x+2)^{2} [/latex]=3(x+2) [latex] 9x^{2} [/latex]+6x+4=3x+6 [latex] 9x^{2} [/latex]+6x-3x+4-6=0 [latex] 9x^{2} [/latex]+3x-2=0 D=9-4*9*(-2)=81 [latex] x_{1} [/latex]=[latex] \frac{-3+9}{18}= \frac{1}{3} [/latex] [latex] x_{1}= \frac{-3-9}{18} =- \frac{2}{3} [/latex]