Помогите побратски 1)x^2-14x+48=0 2)3x-x^2=0

Question

Помогите побратски
1)x^2-14x+48=0
2)3x-x^2=0

Answer 1

1) x^2-14x+48=0
D=b^2-4ac=196-4*1*48=√4
x1=14+√4 /2= 14+2 /2= 16/2=8
x2=14-√4 /2=14-2  / 2= 12/2=6
2)3x-x^2=0
x(3-x)=0
x=0
3-x=0
x=3