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

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(1)^2-4(1)

Solution

(1)^{2} - 4 (1)

- 3

Solution steps

(1)^{2} - 4 (1)

Follow the PEMDAS order of operations

Calculate exponents

(1)^{2} : 1

(1)^{2}

(1)^{2} = 1

= 1

= 1 - 4 (1)

Multiply and divide (left to right)

4 (1) : 4

4 (1)

Apply rule:

(a) = a

(1) = 1

= 4 \cdot 1

Multiply the numbers:

4 \cdot 1 = 4

= 4

= 1 - 4

Add and subtract (left to right)

1 - 4 : - 3

1 - 4

1 - 4 = - 3

= - 3

= - 3

7 \times 8 - 24 + 3 + 6

(43 - 26 + 17) - (20 - 17 + 1) + (43 + 9 - 39)

- 1000 + 100 + 400

1 - (- 2)^{2}

8^{2} + 15