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Work with the numbers first, then with the variables.
What do 6 and 12 have in common?
They have 6 in common
Correct. What do you see in common in the two expanded expressions? |dw:1435626979235:dw|
I have done the problem many times but do not get the same as the answer in the book
Sorry. I was doing the GCF. You need the LCM.
Let me do it again.
For the LCM, you need to find all the prime factors, and then you use common factors with larger exponents and non-common factors too.
Let's find the prime factors of both expressions: |dw:1435627198633:dw|
Okay I get up to this part then I don't known were to go from there
Ok. Now we have the prime factors of each expression. Now we need to use common and not common factors with the larger exponent. I'll do one by one and will explain what that means.
Now we look at the next factor. |dw:1435627412226:dw|
I get it OMG thanks u saved my day 😂