Question

1. – { 3X2 + [ 2X – ( X2 + 7X3 ) ] – ( X2 + X3) }
2. ( 4X – 2Y) – [– ( 9X +2Y) – 3X ]
3. 9X2 – [ X3 + X – (– 2X2 + 5X) ]
4. { 3XY + ( Y – 2XY +3 ) – 4Y }
5. (m2 + 3mn – n3 ) – ( 4m – 2mn + n3 )

Answer 1

Explicación paso a paso:

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