Anúncios
1
qual a resposta de X²-7X+8=0
{12,-5}
{7,-8}
NDA
{17,-15}
{14,6}
2
qual o resultado de X²-X-6=0
{7,3}
{9,-4}
{6,3}
NDA
{3,-2}
3
X²-4X-12=0
{7,-2}
{6,-2}
NDA
{8,-3}
{3,9}
4
X²+4X+3=0
{9,-1}
{3,-7}
{-7,2}
{-1,-3}
NDA
5
2X²+4X-6=0
{-2,6}
{-4,-3}
NDA
{1,-3}
{9,-1}
