How do you solve #(4) ( - 5) ( - 2) ( - 3)#?

1 Answer
Nov 25, 2016

#-120#

Explanation:

We should know the following facts with regard to #color(blue)"signs"# when multiplying/dividing 2 #color(blue)"integers."#

#• " both positive or both negative"rArr"positive result"#

#•" one positive and one negative"rArr"negative result"#

#rArr4xx(-5)xx(-2)xx(-3)#

Calculate the first pair and second pair, then multiply

#=(color(red)(-20))xx(color(magenta)(+6))=-120#