The solution to -1/2 (2)+1 is 0

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-1/2 (2)+1

Solution

- \frac{1}{2} (2) + 1

0

Solution steps

- \frac{1}{2} (2) + 1

Follow the PEMDAS order of operations

Multiply and divide (left to right)

- \frac{1}{2} (2) : - 1

- \frac{1}{2} (2)

Apply rule:

(a) = a

(2) = 2

= - \frac{1}{2} \cdot 2

Convert element to fraction:

2 = \frac{2}{1}

= - \frac{1}{2} \cdot \frac{2}{1}

Cross-cancel common factor:

2

= - 1

= - 1 + 1

Add and subtract (left to right)

- 1 + 1 : 0

- 1 + 1

- 1 + 1 = 0

= 0

= 0

(9 + 5)^{2}

2 - 1 + 5 \times 4 \times 11

- 3^{2} - 6 (- 3) + 9

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

\frac{3 \cdot 2 ^{9} + 6 \cdot 2 ^{5}}{1 2 ^{3}}