How do you factor # 3x^2 z – 3zx – 18z#?

2 Answers
Apr 25, 2018

Answer:

#3z(x + 1)(x - 3)#

Explanation:

first, we can see that #3z# is a common factor in all three terms. isolate that out and factor the rest.

#3x^2z - 3zx - 18z#

#3z(x^2 - x - 6)#

#3z(x + 1)(x - 3)#

Apr 25, 2018

Answer:

#3z(x-3)(x+2)#

Explanation:

#"take out the "color(blue)"common factor "3z#

#=3z(x^2-x-6)#

#"the factors of - 6 which sum to - 1 are - 3 and + 2"#

#=3z(x-3)(x+2)#