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Mathematics 21 Online
OpenStudy (anonymous):

can someone check my answer ? Choose the correct sum of the polynomials (6x^3 − 8x − 5) + (3x^3 + 6x + 2). 9x^3 − 2x − 3[[]] 3x^3 + 2x + 3 3x^3 − 2x − 3 9x^3 + 14x + 3

OpenStudy (anonymous):

you got it right. 9x^3 − 2x − 3[[]]

OpenStudy (anonymous):

can u explain this time

OpenStudy (anonymous):

i mean.. the whole point is grouping the same ones.

OpenStudy (anonymous):

okay, can u explain

OpenStudy (anonymous):

the number infront of x, or x^3 just shows how much x or x^3 you have

OpenStudy (anonymous):

this problem is like asking you this (1*(apple)+2*(orange))+(3*(apple)+2*(orange))

OpenStudy (anonymous):

how many apples and oranges do you have then?

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