Question

am nevoie de ajutor va rooog frumos.
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Answer 1

Răspuns:

(x + 1)/2

Explicație pas cu pas:

d) (x² + x)/(2x + 6) + (2x + 1)/(2x + 6) + (x + 2)/(2x + 6)

(x² + x + 2x + 1 + x + 2)/(2x + 6)

(x² + 4x + 3)/[2 × (x + 3)]

[x × (x + 3) + x + 3)]/[2 × (x + 3)]

[(x + 3)(x + 1)]/[2(x + 3)]

(x + 1)/2