Question

Simplifique as expressões ( 3x+2).(3×-2)+(×+2)

Answer 1

(3x+2).(3×-2) +(×+2)

(3x)²-(2)² + (x+2)

9x²-4 + x+2

9x² + x - 2

Answer 2

Resposta: 10x + 2

(3x + 2) . (3x - 2) + (x + 2)
3x + 2 . 3x - 2 + x + 2
3x . 3x + x + 2 - 2 + 2
10x + 2