What is (1)^2-2(1)-3 ?

The solution to (1)^2-2(1)-3 is -4

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(1)^2-2(1)-3

(1)^{2} - 2 (1) - 3

- 4

Solution steps

(1)^{2} - 2 (1) - 3

Follow the PEMDAS order of operations

Calculate exponents

(1)^{2} : 1

(1)^{2}

(1)^{2} = 1

= 1

= 1 - 2 (1) - 3

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 - 3

Add and subtract (left to right)

1 - 2 - 3 : - 4

1 - 2 - 3

1 - 2 = - 1

= - 1 - 3

- 1 - 3 = - 4

= - 4

= - 4

6^{2} - 3 \times 4 + 5

\frac{1}{0 ^{2} + 1}

5^{2} + 3^{2} \times 4 - 10

6^{2} + 6^{4}

15 \div (\frac{3}{4} \div \frac{1}{5})