Question

Xomo resolver
X²-45×+324=0

Answer 1

Resposta:

Explicação passo a passo:

a=1

b=-45

c=324

x=45+-V(-45)²-4.1.324/2.1

x=45+-V2025-1296/2

x=45+-V729/2

x=45+-27/2

x'=45+27/2=72/2=36

x''=45-27/2=18/2=9

S={9,36}