(2-1)^2-3

Solution

(2 - 1)^{2} - 3

- 2

Solution steps

(2 - 1)^{2} - 3

Follow the PEMDAS order of operations

Calculate within parentheses

(2 - 1) : 1

= 1^{2} - 3

Calculate exponents

1^{2} : 1

= 1 - 3

Add and subtract (left to right)

1 - 3 : - 2

= - 2

7^{2} \cdot 5

2 7^{2} - 125

\frac{15 ( 2 + 30 )}{2}

- 4 + (- 12) + (- 3)

2^{4} + 1 0^{0} - 3 \times 4 + 36 \div 2