The solution to (1)^2-2(1) is -1

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(1)^2-2(1)

Solution

(1)^{2} - 2 (1)

- 1

Solution steps

(1)^{2} - 2 (1)

Follow the PEMDAS order of operations

Calculate exponents

(1)^{2} : 1

(1)^{2}

(1)^{2} = 1

= 1

= 1 - 2 (1)

Multiply and divide (left to right)

2 (1) : 2

2 (1)

Apply rule:

(a) = a

(1) = 1

= 2 \cdot 1

Multiply the numbers:

2 \cdot 1 = 2

= 2

= 1 - 2

Add and subtract (left to right)

1 - 2 : - 1

1 - 2

1 - 2 = - 1

= - 1

= - 1

- 2^{3} + 1

3^{2} + 4

6 \div 9 + 5 \times 6

4 (5)^{2}

2 (4 (7 + 4 (5 \times 3 - 9)) - 3 (40 - 8))