Question

X⁶+6x³-16=0. Me ajudemmmmm

Answer 1

Resposta:

Explicação passo-a-passo:

$x^{6}+6x^{3}-16=0\\\\\\(x^{3})^{2}+6x^{3}-16=0\\\\fazendo\\\\y=x^{3}\\\\y^{2}+6y-16=0\\\\y'=2\\\\y"=-8\\\\\\substituindo\\\\y=2\\\\x^{3}=2\\\\x=\sqrt[3]{2} \\\\\\y=-8\\\\x^{3}=-8\\\\x=\sqrt[3]{-8}\\\\x=-2$