What is (1)^2-2(1)-15 ?

The solution to (1)^2-2(1)-15 is -16

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(1)^2-2(1)-15

(1)^{2} - 2 (1) - 15

- 16

Solution steps

(1)^{2} - 2 (1) - 15

Follow the PEMDAS order of operations

Calculate exponents

(1)^{2} : 1

(1)^{2}

(1)^{2} = 1

= 1

= 1 - 2 (1) - 15

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 - 15

Add and subtract (left to right)

1 - 2 - 15 : - 16

1 - 2 - 15

1 - 2 = - 1

= - 1 - 15

- 1 - 15 = - 16

= - 16

= - 16

3 \times \frac{5}{8} - 1 \frac{1}{8}

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

[(- 59 + 8)] + [(- 8) + 5]

2 (4 - 5)^{2} + 3

2 \times (3^{3} - 5 + 8)