Question

Решите уравнение : 12-(4-x)^2=x(3-x)

Answer 1

12-(4-х)²=х(3-х)
12-(16-8х+х²)=3х-х²
12-16+8х-х²-3х+х²=0
5х-4=0
5х=4
х=4/5
х=0,8