Question

factorise3x2 + 13x + 4?​

Answer 1

Answer:

hey dude!

your answer is....

Step-by-step explanation:

$3x {}^{2} + 13x + 4 \\ = 3x {}^{2} + 12x + x + 4 \\ 3x(x + 4) + x + 4 \\ = (x + 4)(3x + 1)... \\ hope \: its \: helps....$

Answer 2

Answer:

$\: \: \: \: \: 3 {x}^{2} + 13x + 4 \\ = 3 {x}^{2} + (12 + 1)x + 4 \\ = 3 {x}^{2} + 12x + x + 4 \\ = 3x(x + 4) + 1(x + 4) \\ = (x + 4)(3x + 1)$