math
posted by Sarah on .
help please!
Factorise
(x+4)(3x^211x+6)

(x+4)(3x^211x+6) You need to factorise 3x^211x+6 .Sum of the numbers should be equal to 11x and product should be equal to 18x^2.It is 9x and 2x
(x+4)(3x^29x2x+6)
(x+4)[(3x(x3)2(x3)]
(x+4)(3x2)(x3)