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# m1 help Watch

1. How does the first expression go to the second and then the third? I cant figure it out
2. (Original post by madfish)
How does the first expression go to the second and then the third? I cant figure it out
they multiplied the first line by 2 then took out a common factor

then they divided through by t and rearranged (I assume there is info that tells us t is not 0)
3. (Original post by TenOfThem)
they multiplied the first line by 2 then took out a common factor

then they divided through by t and rearranged (I assume there is info that tells us t is not 0)
I cant seem to get sqrootg to become a common factor

I mulitply by 2 to get

2rootg* 2rootd * 2t - 2gt^2
4. (Original post by madfish)
I cant seem to get sqrootg to become a common factor

I mulitply by 2 to get

2rootg* 2rootd * 2t - 2gt^2
5. (Original post by madfish)
I cant seem to get sqrootg to become a common factor

I mulitply by 2 to get

2rootg* 2rootd * 2t - 2gt^2

though I am unsure why you multiplied by 4 instead of 2
6. (Original post by TenOfThem)

though I am unsure why you multiplied by 4 instead of 2
Where does the 4 go to in the factored version?
7. (Original post by madfish)
Where does the 4 go to in the factored version?
Well since you multiplied by 4 (still not sure why) you can now divide by 2

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