tag:blogger.com,1999:blog-2962428197530077805.post2437649486340992102..comments2024-03-18T22:57:59.502+00:00Comments on Clube de Matemática: EE21Susana Martin Tenreirohttp://www.blogger.com/profile/09348824451614416496noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-2962428197530077805.post-10137731338777273372017-04-28T15:07:29.603+01:002017-04-28T15:07:29.603+01:00x = 6 V x = - 6
x = 6 V x = - 6<br />Evelyn_Claudinohttps://www.blogger.com/profile/01796920613863899122noreply@blogger.comtag:blogger.com,1999:blog-2962428197530077805.post-60263414531460706402017-04-28T15:07:26.830+01:002017-04-28T15:07:26.830+01:00X (x-4)/4=9-x
(=)X2 -4x /4(1)=9x(4)
(...X (x-4)/4=9-x<br /> <br />(=)X2 -4x /4(1)=9x(4)<br /><br /> <br />(=)1(x2 -4x) =36-4x<br /><br /> <br />(=)X2 -4x -36 -4x=0<br /><br /> <br />(=) X2 -44x=0Jenifer marquesnoreply@blogger.comtag:blogger.com,1999:blog-2962428197530077805.post-77079879943577292282017-04-28T15:03:33.958+01:002017-04-28T15:03:33.958+01:00x(x-4)/4= 9-x
x2-4x/4=9-x
1(x2-4x) = 4(9-x)
x2_...x(x-4)/4= 9-x<br /><br />x2-4x/4=9-x<br /><br />1(x2-4x) = 4(9-x)<br /><br />x2_ 4x= 36-4x<br /><br />x2- 4x + 4x =36 <br /><br />x2= 36<br />Anonymoushttps://www.blogger.com/profile/04267765116383132437noreply@blogger.comtag:blogger.com,1999:blog-2962428197530077805.post-7406704512315792832017-04-28T14:45:26.341+01:002017-04-28T14:45:26.341+01:00x(x-4)/4 = 9−x = x2−4x/4 = 9-x
=x2-4x/4 = 9-x/14 =...x(x-4)/4 = 9−x = x2−4x/4 = 9-x<br />=x2-4x/4 = 9-x/14 = x2-4x/4 = 36-4x/4=<br />=x2-4x = 36-4x =x2-4x+ 4x = 36 = x2 = 36 = x = + V36=<br />= x = +6 = x = 6 + x = -6 =<br />R: = -6,6david castanheirahttps://www.blogger.com/profile/03802378376078102719noreply@blogger.comtag:blogger.com,1999:blog-2962428197530077805.post-84232230648527250922017-04-28T14:34:11.142+01:002017-04-28T14:34:11.142+01:00x(x-4)/4 = 9-x
(=) x(x-4) = 36-4x
(=) x^2 -4x =...x(x-4)/4 = 9-x <br /><br />(=) x(x-4) = 36-4x <br />(=) x^2 -4x = 36 -4x <br />(=) x^2 -4x +4x = 36 <br />(=) x^2 = 36<br />(=) x = 6 U -6 <br /><br /><br />Anonymoushttps://www.blogger.com/profile/16761716326437808740noreply@blogger.com