Question

X в квадрате равно 10 срочно

Answer 1

$x^2=10\\\\x^2-10=0\\\\(x-\sqrt{10})(x+\sqrt{10}=0\\\\x-\sqrt{10}=0\ \ \ \ \ x+\sqrt{10}=0\\\\x=\sqrt{10}\ \ \ \ \ \ \ \ \ \ x=-\sqrt{10}$