(x+5) (2x+5) =?..???

(x + 5)(2x + 5)
= (x × 2x) + (x × 5) + (5 × 2x) + (5 × 5)
= 2x² + 5x + 10x + 25
= 2x² + 15x + 25

Maaf Kalau Salah

(x + 5) (2x + 5) =
2x^2 + 5x + 10x +25 =
2x^2 + 15x +25