Question

ПОМОГИ СРОЧНО !!
1) $frac{11}{x-2} = frac{11}{2}$
2)-4x²-4x=0
3)-3(1+4x)=-4x-5

Answer 1

1)
$x neq 2$
$2*11=11(x-2)$
$22=11x-22$
$11x=44$
$x=4$

2)
$-4x^2-4x=0$
$-4x(x+1)=0$
$x_{1,2}=0,(-1)$

3)
$-3(1+4x)=-4x-5$
$-3-12x=-4x-5$
$2-8x=0$
$2=8x$
$x= frac{2}{8} Rightarrow x= frac{1}{4} Rightarrow x=0,25$