factorise x square - 4 x + 1
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Hey mate ,
x^2-4x+1
D = √ (b^2 - 4ac)
= √ ( 16-4)
= √12
= 2√3
Thus , by quadratic formula
x = -b +-√D / 2a
= +4+-2√3 /2
= 2[ 2 +-√3] /2
= 2+-√3
x = 2+√3 , 2-√3
Hope you find it helpful!!!
Do mark it as brainliest!!!!