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Mathematics 18 Online
OpenStudy (anonymous):

i need help!!!!!!!!!!!!!!!!!!!!

OpenStudy (anonymous):

@AccessDenied

OpenStudy (accessdenied):

What do you need help with?

OpenStudy (anonymous):

8-4x^2+10x^2+2x

OpenStudy (accessdenied):

You are just trying to simplify this? Or simplify and find its factors?

OpenStudy (anonymous):

im trying to answer the question

OpenStudy (accessdenied):

Uhm... can you post what the question asked then? We can begin by combining like-terms here: 8 - 4x^2 + 10x^2 + 2x We have -4x^2 and 10x^2, so these add together by pulling out the x^2: -4x^2+10x^2 = (10-4)x^2 8 + (10-4)x^2 + 2x

OpenStudy (anonymous):

the answer choices is 14x^2+2x+8 6x^2+10x 6x^2+2x+8 8x^3+8

OpenStudy (accessdenied):

Oh, okay. That makes it more clear. 10-4 = 6 8 + 6x^2 + 2x <-- you can see that by rearranging this, you have one of the answer choices?

OpenStudy (anonymous):

can i see the work

OpenStudy (accessdenied):

Starting from: 8 - 4x^2 + 10x^2 + 2x We could rearrange the equation because addition is commutative: 8 + 10x^2 - 4x^2 + 2x Then add up the like terms, 10x^2 and -4x^2: 8 + (10 - 4)x^2 + 2x 8 + 6x^2 + 2x Then re-order this from highest to lowest degree, which is one of the answer choices. Once again, addition is commutative. Does that seem clear?

OpenStudy (anonymous):

thank u

OpenStudy (accessdenied):

No problem. :)

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