first, rewrite 54 as 6•9
next, rewrite 42 as 6•7
then, that gets you 6x^2 -6•7x- 6•9
lastly, factor out the common term (6)
and then you get 6(x^2-7x-9)
<u>please mark as brainliet <3</u>
Lol you like maths? Honestly, I don't like it much b r u h
m<JKL=45°
Please see the attached picture for full solution
hope it helps..
Good luck on your assignment...