Question

решите уравнение 1.44-x²=3x²

Answer 1

$1,44-x^2=3x^2\1,44=4x^2\0,36=x^2\x=б0,6$

Answer 2

1,44-х^2=3х^2
3х^2+х^2=1.44
4х^2=1.44
х^2=1.44÷4
х^2=0,36
х=0.6