Question

Which one is right for this please

Answer 1

C is correct

Explanation:

To factor:

4x^2 + 12x + 5

(4x^2 + 2x)(10x + 5)

2x(2x + 1) + 5(2x + 1)

Then, take the outside numbers make them their own group:

2x + 5

(2x + 5)(2x + 1)

Therefore, it’s (2x + 1)(2x + 5)