Question

${x}^{2} + 270x - 16000$
obs: com a conta pfvr​

Answer 1

Resposta:

Explicação passo a passo:

a=1

b=270

c=-16000

x=-270+-V270²-4.1.-16000/2.1

x=-270+-V72900+64000/2

x=-270+-V136900/2

x=-270+-370/2

x'=-270+370/2=100/2=50

x''=-640/2=-320

S={-320;50}