How do you factor (z + 3)2 - 9(z + 3)(z+3)2−9(z+3)?
1 Answer
Jun 20, 2018
Explanation:
"take out the "color(blue)"common factor "(z+3)take out the common factor (z+3)
=(z+3)(2-9)=-7(z+3)=(z+3)(2−9)=−7(z+3)