Решите уравнения:. а) x^2=6 б) x^2=4,5 в) 81x^2=1 г) -0,7x^2=70 д) (y+6)^2=49 е) (2-y)^2=2 Спасибо Кисы)) 

[latex]x^2=6 \\\ x=\pm \sqrt{6}[/latex] [latex]x^2=4,5 \\\ x=\pm \sqrt{4.5}[/latex] [latex]81x^2=1 \\\ x^2= \frac{1}{81} \\\ x=\pm \frac{1}{9} [/latex] [latex]-0,7x^2=70 \\\ 0,7x^2 \neq -70 [/latex] [latex] (y+6)^2=49 \\\ y+6=7 \\\ y=7-6=1 \\\ y+6=-7 \\\ y=-7-6=-13 [/latex] [latex](2-y)^2=2 \\\ 2-y=\pm \sqrt{2} \\\ y=2\pm \sqrt{2} [/latex]