Question

решите уравнения
2х²-10=0

Answer 1

2х^2=10
х^2=5
х=+и-корень из 5

Answer 2

$2x^2-10=0 \\ \\ 2x^2=10 \\ \\ x^2 = 10:2 \\ \\ x^2 = 5 \\ \\ x = б\sqrt{5}; \\ \\ \\ \boxed{\boldsymbol{OTBET: б\sqrt{5}}}$