Question

how to calculate roots for x²-5x+4​

Answer 1

=> x² -5x + 4 =0

=> x² -4x - x +4 =0

$=>x(x -4) -1(x -4) = 0$

$=>(x-4)(x -1)=0$

$=>x = 4$

$=>x = 1$

$<font color = "green"><marquee > ! Thank U ! </font color = "green"></marquee>$

Answer 2

Answer:

Step-by-step explanation:

→  x²-5x+4

→  x²-4x-x+4

→  x(x²/2-2²*x/x)+(-x+4)

→  (x-4)(x-1)