5^2+(-2^2)

Solution

5^{2} + (- 2^{2})

21

Solution steps

5^{2} + (- 2^{2})

Follow the PEMDAS order of operations

Calculate within parentheses

(- 2^{2}) : - 4

= 5^{2} - 4

Calculate exponents

5^{2} : 25

= 25 - 4

Add and subtract (left to right)

25 - 4 : 21

= 21

\frac{- 2 - 2}{- 2 - 2}

4^{3} + 2^{0} - 9^{0}

3 \cdot 4 + 1

3 \cdot 4 - 3

5 - 8 \div 4