Question

3 x square + 15 x + 12 factorise​

Answer 1

Answer:

Step-by-step explanation:

3x2 +15x +12

 

=3(x2 +5x + 4)

 

= 3(x2 +4x +1x +4)

 

= 3{ x(x+4) +1(x+4)}

 

= 3(x+4)(x+1)

Answer 2

Please mark me as brainiest

I hope it will help you

This is your answer