Question

решите уравнение
12-(4-x)^2=x*(3-x)

Answer 1

$12-(4-x)^2=x(3-x)\\ 12-(16-8x+x^2)=3x-x^2\\ 12-16+8x-x^2=3x-x^2\\ 5x=4\\ x= frac{4}{5}$