Question 469257
PEMDAS
Parenthesis
Exponents
Multiply/Divide
Add/Subtract
-Order of operations when evaluating an expression
{{{-3(5-6)-4(2-3)}}}
Perform the subtraction within the parenthesis first
{{{-3(-1)-4(-1)}}}
Perform the multiplications next
**Negative*Negative=Positive**
{{{3-(-4)}}}
Perform the subtraction
** -- means +**
{{{3+4}}}
{{{7}}}