85.7k views
5 votes
Which is a factor of 144 − 49x2? 12 - 7x2 72 – 7x2 12 – 7x 72 + 7x

I only asked this question so you guys would know the other answer is wrong i took the test and this is the answer

User Sbernard
by
5.0k points

2 Answers

2 votes

Answer: Option 3(C)

Right on ED 2020, Good luck!

User Kimbaudi
by
5.0k points
3 votes

For this case we have the following expression:


image

We can rewrite the expression by factoring

Rewriting the expression we have:


image

Then, using the distributive property for the negative sign we have:


image

Thus, we have that one of the factors of the given expression is:

12-7x

Answer:

A factor of the given expression is:

12-7x

option 3

User Lnvrt
by
5.2k points