Question

Simplify the expression-1 -6(2-9d)

Answer 1

`-1-6(2-9d)`

The order of the opperations to simplify this expression is:

1. Parenthesis: Solve the operations to remove the parenthesis.

As:

`a(b-c)=ab-ac`
`\begin{gathered} -1-(12-54d) \\ -1-12+54d \end{gathered}`

2. Sum the similar terms: -1 -12:

`-13+54d`

Or:

`54d-13`