summernae13 summernae13

02-04-2020
Mathematics

contestada

find the sum of x^2+3x and -2x^2+9x+5

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

02-04-2020

Answer:

-x^2 +12x +5

Step-by-step explanation:

x^2+3x + -2x^2+9x+5

I like to line them vertically

x^2+3x

-2x^2+9x+5

---------------------

-x^2 +12x +5

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