Question

`7 - 8 / 4( {3}^(2) - 1)`

Answer 1

Use 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)

`7-8/4\cdot(3^2-1)=7-2\cdot(9-1)=7-2\cdot8=7-16=-9`