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:

$54d-13$