Question

ayuda plis :(( (12a²-5a)-(-8a²-3a-4)=


(8m²+8n)-(-9n+7m²)=


(2x+7y)-(8y+2x)=


(6+9a+7b)-(8-2a+9b)


(4a-5b-4)-(9-4a-3b)=

(3a²-2a)-(2a²-5a)=

(8m²-4n)-(7n-8m²)=


(14-8x+10y)-(-1x-4y-6)=


(-5x+4y)-(-5x-5y+14)=


(8-2a-4b)-(-8-2a+9b)

Answer 1

Respuesta:

pregunta: secundaria o primaria? para ayudarte plis