Question

реши уравнение
6хХ=900-180

Answer 1

6x*x=900-180
6x=900-180
6x=720
X=720:6
X=120

Answer 2

$6x*x=900-180 \ 6 x^{2} =720\ x^{2} =120\x= sqrt{4*30} =2 sqrt{30}$