Ask your own question, for FREE!
Mathematics 14 Online
Monicaisdumb:

does anyone know the answer to this? (3x-1)(6x-7)

Nazmanz:

okay, so have you ever heard of the foil method?

Nazmanz:

of solving this problem?

Monicaisdumb:

@nazmanz wrote:
of solving this problem?
i think so yea but i'm not very familiar with it

Nazmanz:

Okay, so first we have to do the front numbers that would be which two?

Monicaisdumb:

@nazmanz wrote:
Okay, so first we have to do the front numbers that would be which two?
3x and 6x?

Nazmanz:

Yes, so you need to multiply them what do you get?

Monicaisdumb:

@nazmanz wrote:
Yes, so you need to multiply them what do you get?
18x

Nazmanz:

Hmm, so from what i understand when you multiply an x by an x you should sqaure that right?

Monicaisdumb:

oh right it would be 18x^2

Nazmanz:

next you need to find the outer numbers, which will those be?

Monicaisdumb:

@nazmanz wrote:
next you need to find the outer numbers, which will those be?
the -2 and -7..?

Nazmanz:

hmm, not quite, those are the last ones.

Nazmanz:

so it would be the first number of the first block and the second number of the last block

Nazmanz:

you still here?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!