Question

4x^2-13x+10=?

 

Вместо квадрата я пишу ^

Answer 1

4x^2-13x+10=0

D=169-4*4*10=169-160=9

x1=13+3/8=2

x2=13-3/8=10/8=5/4=1,25

Answer 2

4X^2 - 13X + 10 

D = (-13)^2 - 4*4*10 = 169 - 160 = 9

V D = 3

X1 = ( 13 + 3) 8 = 168 = 2

X2 = ( 13 - 3) 8 = 108 = 1.25