Respuesta :

the difference of these two polynomials is just the result of subtracting the second from the first, as follows:


9x^2 +8x -(2x^2 +3x) =

9x^2 +8x -2x^2 -3x

then add like terms ...
(9x^2-2x^2) + (8x-3x) = 7x^2 + 5x


That's it


Hope that helps

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