Question

a) 5x^{2} -x-1=0
b)x^{2} +x+2=0
c)3x^{2} +108=0

Answer 1

Resposta:

a) 5x^{2} -x-1=0

$=1±21√10$

b)x^{2} +x+2=0

$=−1±−7√2$

c)3x^{2} +108=0 $32+108=03x^{2}+108=03x2+108=03(2+36)=0$

^-^