Question

решите уравнение (3x-2)(3x+2)=9x(x-1)+5

Answer 1

$(3x-2)(3x+2)=9x(x-1)+5\9x^2-4=9x^2-9x+5\9x^2-9x^2+9x=4+5\9x=9\x=1$

Answer 2

(3х-2)(3х+2)=9х(х-1)+5;

9х²-4=9х²-9х+5;

9х=9;

х=1.