Question

Factorise: (−)3 +(−)3 +(−)3

Answer 1

Answer:

-3-3-3

-6-3

-9

Step-by-step explanation:

When there are two signs + and -

following rules are applied:

+ and + = +

+ and - = -

- and - = +

But remember, sign of the answer must of greater number

for ex:

-6 + 8= 2

we will do subtraction but sign will be using of greater number