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How do you combine $( x^3+2x-1)+(3x^2+4)$ ?

1 Answer

Jul 11, 2015

$=x^3+3x^2+2x + 3$

Explanation:

$(x^3+2x−color(blue)(1))+(3x^2+color(blue)(4))$

$=x^3+3x^2+2x + 3$

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