# How do you factor #b^2-4b-60#?

##### 2 Answers

May 20, 2018

#### Explanation:

find to numbers that their product is

which they are -10 and +6

so:

to check multiply them together and you suppose to get the original equation back

May 20, 2018

#### Explanation:

#"the factors of - 60 which sum to - 4 are - 10 and + 6"#

#rArrb^2-4b-60=(b-10)(b+6)#