Question

Determine o valor de x:
10² = x² + x²

Answer 1

Explicação passo a passo:

$10^2=x^{2} +x^{2} \\100=2x^{2} \\\frac{100}{2}=\frac{2}{2}x^{2} \\50=x^{2} \\\pm\sqrt{50}=\sqrt{x^{2} } \\\pm5\sqrt{2}=x$