How do you factor # 3x^2 z – 3zx – 18z#?
2 Answers
Apr 25, 2018
Explanation:
first, we can see that
Apr 25, 2018
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)#