Put the values of x, y and z to the expression.
[tex](-1)(-(-2)+5)=(-1)(2+5)=(-1)(7)=-7[/tex]
Used PEMDAS:
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right)