(3+9)(7-27)=0

Question

how to get the answer to that factoring problem

Answer 1

In order to solve this and related equations we use the law called "BODMAS" . This means we start working from the bracket first, then division, multiplication , Addition,and subtraction  respectively from left to right . Solved the brackets separately and then multiply them.

(3+9)(7-27)

(12)(-20)=-240