Question

1) (2a) + (-3a + 4) =

2) (6y+2y²-2) + (3y+5) =

3) (3x³ -2+2) - (2x³-2x²-3) =​

Answer 1

Resposta: 1) -1a + 4

2) 9y + 2y (elevado a 2) + 3

3) x (elevado a 3) + 2x (elevado a 2) - 1