September 2019 1 49 Report
NECESITO QUE ME COLABOREN POR FAVOR AYÚDENME ES URGENTE!!!!!!!!!!!

- Resolver las expresiones polinomicas eliminando los signos de agrupación.

1. ( 3a - 4b) ( a + b) - ( a + 2b) ( a - b )

2. - -5x^2 y - ( - 3x + y - 4 ) ( 2x)

3. ( 2m + n ) ( 3m - 2n ) ( 2m - 3mn )

4. ( - 6 m^2 n ) - (3m + n ) ( 2m - n ) ( 5n )

5. 3/5x + ( - 3 /2y +4 ( 9/8x - 5/6y + 5/21) - 3 /7)

AYÚDENME ES SUPER IMPORTANTE!!!! PLISSS DON 6O PNTOS GRACIAS ...............
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