Question

Fatore o trinômio: x² + 11x + 18 * 1 ponto (x + 9) (x + 2) (x - 9) (x - 2) (x - 9) (x + 2) (x + 9) (x -2)

Answer 1

Explicação passo-a-passo:

x² + 11x + 18

= x² + 2x + 9x + 18

= x.(x + 2) + 9.(x + 2)

= (x + 9).(x + 2)