Question

Simplifique a fórmula : P=2(4n²+3n)-4(n+5).

Answer 1

P= 2 [ 4n*2 + 3n] -4[ n +5]

 P= 8n*2 + 6n - 4n - 20

 P= 8n*2 +2n -20

Answer 2

P=4n²-6n-4n-20
P=4n²-10n-20