how do you solve a problem like, 3(45m 8) -9(46m-7)-7

Algebra
Tutor: None Selected Time limit: 1 Day

i need help solving stuff like what i put in my question. i just dont understand how to like put the like terms together the right way and im learning this in school too but i dont pay attention very well in school

Oct 19th, 2015

Thank you for the opportunity to help you with your question!

Expand the brackets

3* 45m* 8 -9*46m + 9*7 - 7

1080m - 414m + 63 -7

collecting the like terms

we get,

666m -56

Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 19th, 2015

how did you get 1080m ?

Oct 19th, 2015

what do you mean by expand the brackets?


Oct 19th, 2015

it implies that you eliminate the brackets by multiplying the interger outside the brackets with those in the brackets

Oct 19th, 2015

or simply put as, expanding...

Oct 19th, 2015

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Oct 19th, 2015
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Oct 19th, 2015
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