Question

factorise 3 X square + 16 X + 21

Answer 1

Hope this helps you. .
THANK YOU. .

Answer 2

3x^2 + 16x + 21

3x^2+ 9x + 7x + 21

3x{ x+3 } + 7 { x+3 }

{x+3} {3x+7}

Hope it helps......