Question

Resolva as equações do 2º grau, sendo U=R

a)5x ^ – 40 = 0

b)2X^ + 12X+10 = 0

c)-9 X^ = 5 – 6X = 0

d)X^ – X = 0

e)3X^– 2X + 18 = 0

^ e 2​

Answer 1

46.2=112

16.5=80

0.0=0