Difference=subtract sum=add. just answering so you don't waste points :-)
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>
Answer: 6-1/3n
Step-by-step explanation:
1m= 1000mm
so 64mm*1m/1000mm=64/1000m