Thanks so much! It took me WEEKS to understand All the other teachers didn’t mention how it would turn positive so i was confused I was like “TURN THIS POSITIVE? THATS GONNA MAKE MY ANSWER WRONG! That’s ridiculous..” Now i got extra homework to get done because i delayed it bc I couldn’t understand IF ONLY I FOUND THIS VIDEO SOONER
The - in front of the parenthesis is an understood -1 which needs to be "distributed" (or multiplied) to each of the terms inside the parenthesis just like in the second example of the video. Another way to write it is 10x-1(3x+7). When you distribute the -1 you get 10x-3x-7. You would then combine the like terms of 10x-3x which gives you 7x. This leaves you with the simplified answer of 7x-7. I hope this helps!
If you have 2m - - m then an easier way to look at it is 2m+m (when you subtract a negative it is the same as adding). Another way to say the same thing is 2m+1m (the 1 is what we call an "understood 1"). 2m+1m simplifies to 3m so 3m would be your answer. I hope that this helps!
A positive 1 being out front will not make any changes when you multiply it in so it would be fine if ( ) were not shown, but if you are subtracting then the ( ) make a big difference in the second polynomial I hope this helps!
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OOF thank you so much, all these other videos didn't explain it nearly as well as you did.
Thanks mam it was very helpful I understand better now
Thank you so much I been having problems with adding and subtracting polynomials and you made it really easy to understand 🙏🏽🙏🏽🙏🏽
Thank you! This makes sense ❤
Excellent
Amazing video
Thanks so much! It took me WEEKS to understand
All the other teachers didn’t mention how it would turn positive so i was confused
I was like “TURN THIS POSITIVE? THATS GONNA MAKE MY ANSWER WRONG! That’s ridiculous..”
Now i got extra homework to get done because i delayed it bc I couldn’t understand
IF ONLY I FOUND THIS VIDEO SOONER
Thank u 😊
Thank you 😜👍🤞
Thanks mam iam fro India clas 8
but what happens when its like this?
𝟏𝟎𝒙−(𝟑𝒙+𝟕)
The - in front of the parenthesis is an understood -1 which needs to be "distributed" (or multiplied) to each of the terms inside the parenthesis just like in the second example of the video. Another way to write it is 10x-1(3x+7). When you distribute the -1 you get 10x-3x-7. You would then combine the like terms of 10x-3x which gives you 7x. This leaves you with the simplified answer of 7x-7. I hope this helps!
@@ms.smithsmathtutorials thx
how to answer 2m- -m
If you have 2m - - m then an easier way to look at it is 2m+m (when you subtract a negative it is the same as adding). Another way to say the same thing is 2m+1m (the 1 is what we call an "understood 1"). 2m+1m simplifies to 3m so 3m would be your answer. I hope that this helps!
@@ms.smithsmathtutorials thank you so much
If there’s no “( )” (sorry i forgot what it’s called) Is there still a undestood 1?
A positive 1 being out front will not make any changes when you multiply it in so it would be fine if ( ) were not shown, but if you are subtracting then the ( ) make a big difference in the second polynomial
I hope this helps!