Answer:
X = 13/2 or X =7/2
Step-by-step explanation:
x^2-5x+4
Where a =1, b= -5, c= 4
X = -b( +,-) √b^2-4ac/ 2a
X = -(-5)( +,-)√(-5)^2-4(1)(4)
/ 2(1)
X= 5 ( +,-)√25-16
/2
X= 5 ( +,-)√9/2
X = 5+3/2 or X =5 -3/2
X = 13/2 or X =7/2
It has got two solutions
