Question

How do you factor the trinomial `5x^2 + 25x +30`?

Answer 1

`5 (x+2)(x+3)`

Explanation:

`5 x^2 +25x +30 = 5 ( x^2 +5x +6) = 5 ( x^2 +2x +3x +6)`

`= 5 {x (x+2) +3 (x+2) } = 5 (x+2)(x+3)` [Ans]