Question

2. (-5x2 – 10x – 7y + 2) - (3x2 – 4 + 7x - 10y)

Answer 1

Respuesta:

$2 \times ( - 5 \times 2 - 10 \times - 7y + 2) - (3 \times 2 - 4 + 7 \times 10y)$

2 ( - 10 - 10x - 7y + 2 ) - ( 6 - 4 + 7 x - 10y )

2 ( - 8 - 10x - 7y + 2 ) - ( 2 + 7 x - 10y )

- 16 - 20x - 14y - 2 - 7x + 10y

- 18 - 27 x - 4y