Question

1: 4m2 - 5mn2 + 3m2(m2 + n2) - 3m(m2 - n2)
2: y2 + x2y3 - y3(x2 + 1) + y2(x2 + 1) - y2(x2 - 1)
3: 5(x + 2) - (x + 1) (x + 4) - 6x
4: (a + b) (4a - 3b) - (5a - 2b) (3a + b) - (a + b) ( 3a -6b)

Answer 1

Explicación paso a paso:

1) 2m(4+4n+3m)

2) 3y

3) -x2-6x+6

4) -14a2+5ab+5b2

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