Question

Please help me! I need the answer

Answer 1

(x + 3)

Explanation:

5x³ + 15x² - 2x - 6 ( factor the first/second and third/fourth terms )

= 5x²(x + 3) - 2(x + 3) ← factor out (x + 3) from each term

= (5x² - 2)(x + 3)

The missing factor is (x + 3)

Answer 2

hello there here is my answer

`= (5 {x}^(2) - 2) \: \: \: (x + 3)`

hope it helps

#carry on learning