What is the simplest form of the expression (14.2a + 9.8b) – (13.1b – 0.2a) – (3.7a + 4.8b)? 10.7a – 8.1b 10.7a+ 27.7b 18.1a - 8.1b 18.1a + 27.7b

The first; 10.7a-8.1b

Step-by-step explanation:

the simplest form of the expression (14.2a + 9.8b) - (13.1b - 0.2a) - (3.7a + 4.8b)

To subtract the expressions we multiply negative sign inside the second parenthesis, change the sign of each term in second and third parenthesis

Now we combine like terms

So the expression becomes

it would open into a square depending on the type of envelope i’m not sure about the second part