Question

Por favorrr ayudaaaaa

Answer 1

$18 = {x}^{2} + {x}^{2} \\ 18 = 2 {x}^{2} \\ 18 \div 2 = {x}^{2} \\ 9 = {x}^{2} \\ \sqrt{9 } = x \\ 3 = x$

Entonces la base puede ser 3 o 6