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19-03-2018
Mathematics

contestada

(x^2-4x+5)+(7x^2+2x-3)

(7x^2+4x-6)-(2x^2-3x+1)

add or subtract

Respuesta :

Аноним Аноним

23-03-2018

hello

You would add them

Have a nice day

Answer Link

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