
= \frac{15-14}{36} = \frac{1}{36} " alt=" \frac{7*2}{36}" /> = \frac{15-14}{36} = \frac{1}{36} " />

= \frac{25+33}{45} = \frac{58}{45} " alt=" \frac{11*3}{45}" />= \frac{25+33}{45} = \frac{58}{45} " />=














= \frac{15-14}{36} = \frac{1}{36} " alt=" \frac{7*2}{36}" /> = \frac{15-14}{36} = \frac{1}{36} " />

= \frac{25+33}{45} = \frac{58}{45} " alt=" \frac{11*3}{45}" />= \frac{25+33}{45} = \frac{58}{45} " />=













1)x^2+5x+6=12
x^2+5x+6-12=0
x^2+6x-x-6=0
x(x+6)-(x+6)=0
(x+6)×(x-1)=0
x+6=0 x-1=0
x=-6 x=1
ответ: x1=-6 x2=1