Question

решите уравнение x^2-10x+16=0

Answer 1

x^2-10x+16=0
D= 100-64=36
x1= (10+√36)/2    x2 = (10-√36)/2
x1=8                    x2=2

Answer 2

D=b^2 - 4ac = (-10)^2 - 4*1*16=100 - 64=36
√D=6
x1= 10 + 6 / 2 = 8
x2 = 10 - 6 /2 = 2