Question

I am not able to solve these questions please help me​

Answer 1

Answer: 18

Step-by-step explanation:x2-5x+4 x2-(4+1)x+4

x2-4x-x+4

x(x-4)-1(x-4)

(x-1)(x-4)

x-1=0

x=1

alfa=1

x+4=0

x=-4

beta = -4

Answer 2

hope its help u....✌✌✌✌✌✌✌✌