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Mathematics 13 Online
OpenStudy (anonymous):

What is the sum of these polynomials? (4x^3 − 2x − 9) + (2x^3 + 5x + 3) ^ indicates exponent

OpenStudy (ash2326):

\[(4x^3 − 2x − 9) + (2x^3 + 5x + 3)\] Let's open the brackets, \[4x^3-2x-9+2x^3+5x+3\] Now, let's group the like terms, that is terms with same powers of x \[4x^3+2x^3-2x+5x-9+3\] let's combine the like terms \[\underline{4x^3+2x^3}-2x+5x-9+3=6x^3-2x+5x-9+3\]Could you take it from here?

OpenStudy (anonymous):

yes! thank you so much :)

OpenStudy (ash2326):

Did you understand?

OpenStudy (anonymous):

yes! I remember lerning this, i just forgot how to do it!

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