Question

qual a resposta da 2 equação
x²-10=26

Answer 1

$x^{2} -10=26\\\\\\ x^{2} =26+10\to \\\\ x^{2} =36\to \\\\ x= \pm \sqrt{36} \to \\\\ x=\pm6\\\\\\ S=(-6;6)$

Espero ter ajudado...