# How do you solve #n^2 - 7n = 0# by factoring?

##### 3 Answers

Apr 13, 2018

#### Explanation:

To equal zero, either

If

If

Apr 13, 2018

#### Explanation:

#"take out a "color(blue)"common factor "n#

#rArrn(n-7)=0#

#"equate each factor to zero and solve for n"#

#rArrn=0#

#n-7=0rArrn=7#

Apr 13, 2018

#### Explanation:

Factorising:

Set each bracket/term equal to