Question

Resuelve la siguiente ecuacion 2ײ+10=28​

Answer 1

$2 {x}^{2} = 28 - 10 \\ 2 {x }^{2} = 18 \\ {x}^{2} = 18 \div 2 \\ {x}^{2} = 9 \\ x = \sqrt{9} \\ x = 3$