Follow the Order of Operations

What is the value of -9 + (2³ - 3²) ?

-9 + (2³ - 3²)
= -9 + (8 - 9)   {evaluated exponents inside parentheses}
= -9 + (-1)   {subtracted inside parentheses}
= -9 - 1   {removed parentheses}
= -10   {subtracted}

- Algebra House