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Mathematics 19 Online
OpenStudy (anonymous):

Need help with this ASAP!!

OpenStudy (anonymous):

OpenStudy (anonymous):

@ganeshie8

OpenStudy (lolacole12):

the first one

OpenStudy (anonymous):

Ok, thank you, I've got more question like this, can you help?

OpenStudy (lolacole12):

yep

OpenStudy (anonymous):

k, here it is

OpenStudy (lolacole12):

the 3rd i belive

OpenStudy (anonymous):

OpenStudy (lolacole12):

or the 2one

OpenStudy (anonymous):

is this correct

OpenStudy (sleepyhead314):

please remember to ask for a proper explanation http://assets.openstudy.com/updates/attachments/5616e0e3e4b07ab19da675e7-marshmellowe-1444339960129-help.png this first one was C

OpenStudy (lolacole12):

opps the first ha

OpenStudy (anonymous):

@sleepyhead314 I know, but im kind of in a hurry, thank you btw

OpenStudy (sleepyhead314):

(2x - 3)(x + 4) = (2x)*(x) + (2x)*(4) + (-1)*(3)*(x) + (-1)*(3)*(4) ^ that results in 2 x^2 s ^ that results in 2 by 4 of x's ^ results in 3 negative x's ^ results in 3 by 4 of -1's

OpenStudy (anonymous):

ooh, got it...sort of..can you help with the other questions please

OpenStudy (sleepyhead314):

http://assets.openstudy.com/updates/attachments/5616e0e3e4b07ab19da675e7-marshmellowe-1444341177803-question3.png just adding up all the blocks, you get -x^2 + 2x - 3x + 6 looking at the options: A: (2-x)(x-3) = 2x - 6 - x^2 + 3x = -x^2 + 2x + 3x - 6 but these two signs aren't right ^ ^ B: (2-x)(x+3) = 2x + 6 - x^2 - 3x = -x^2 + 2x - 3x + 6 C: (2-x)(3-x) = 6 - 2x - 3x + x^2 = x^2 - 2x - 3x + 6 but these two signs ^ ^ aren't right D: (x-2)(x-3) = x^2 - 3x - 2x + 6 = x^2 - 2x - 3x + 6 but these two signs ^ ^ aren't right

OpenStudy (anonymous):

ok, so it has to be B...right?

OpenStudy (sleepyhead314):

yep :)

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

can you check if this is correct please

OpenStudy (sleepyhead314):

http://assets.openstudy.com/updates/attachments/5616e0e3e4b07ab19da675e7-marshmellowe-1444341256159-correctornot..png the third option is Not correct the first option IS correct and the second option equals the first option because of distributive property

OpenStudy (anonymous):

last one

OpenStudy (sleepyhead314):

http://assets.openstudy.com/updates/attachments/5616e0e3e4b07ab19da675e7-marshmellowe-1444341137806-helpquestion2.png I believe this one Should be the option that is entirely red due to the color scheme as well as how the blocks fit together in the given space but I have never learned this method before and am confused

OpenStudy (anonymous):

ok thank you, Appreciate it ^_^

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