Question

1/2 x во 2степени=27

Answer 1

$frac{1}{2} {x}^{2} = 27 \ {x}^{2} = 27 div frac{1}{2} = 27 times 2 \ {x}^{2} = 54 \ x = ± sqrt{54}.$
Ответ : ± √54.

Удачи))))