Question

Factorise 3x2-14x+8 plz fast

Answer 1

Hey

Please refer to the attachment

Answer 2

3(x^2-14x/3+8/3)
=3{x^2-2(7x/3) +49/9-49/9+8/3}
=3{(x-7/3)^2-49/9+64/9}
=3{(x-7/3)^2+(64-49)/9
=3{(x-7/3)^2+15/9}
=3(x-7/3)^2+15/3
=3(x-7/3)^2+5