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Simplifying Expressions - YourTeacher.com - Algebra Help

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Uploaded by on Nov 7, 2007

For a complete lesson on simplifying expressions, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to solve problems using the distributive property as the first step, then combining like terms. Students also learn to change minus signs to plus negatives in order to avoid making common errors with signs when distributing.

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  • YOU ARE AMAZINGG. this helped a lot! unlike my math teacher..

  • OHHH CRAP>>> THESE ARE ALL USA WAYS OF TEACHING>.... We cant do this in the UK... Im going to fail if i dont get UK help :(

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All Comments (234)

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  • @xxDarkEyezxx omg can we not use this in UK?

  • @raxil13 5W and 8M

  • @lilhinaboo No your right

  • @xboxboy2328 10c+9

  • Thiis is better explained than my teacher did.

  • you have very nice handwriting for a dude

  • @lilhinaboo you don't turn it into a negative the minus sign already makes it a negative you just put the plus because adding is easier and your saying the same thing, like when you learned integers, um I'm a horrible explain-er but when basically the plus is invisible o.o you would get the same answer if you didn't put it tho its just easier to visualize. hope i helped D:

  • @xxDarkEyezxx im pretty sure the only only amercan bit is the simplifying, they did like terms when all british would have done is: is do the first and second sum ( 8X + 4Y then -9X + 12Y) to get 12XY + 3XY. hope this helped :D

  • what about shorter expressions like: W x 4W or 2M x 2M x 2M ?

  • Yeah U HELPED MY MATH HOME WORK DUDE U ROK!!!!!!! :) U OWN A SUB :)

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