Question

12(х+6)²+хх+6=1
плис!!!

Answer 1

(12+х(х+6))(х+6)^2=1 12+х(х+6)(х+6)^2=1 12+х(х+6)=х^2+12х+36 12+х^2+6х=х^2+12х+36 х^2-х^2+6х-12х=36-12 -6х=24 х=-4