What is 8^2-4(8)(2) ?

The solution to 8^2-4(8)(2) is 0

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8^2-4(8)(2)

8^{2} - 4 (8) (2)

0

Solution steps

8^{2} - 4 (8) (2)

Follow the PEMDAS order of operations

Calculate exponents

8^{2} : 64

8^{2}

8^{2} = 64

= 64

= 64 - 4 (8) (2)

Multiply and divide (left to right)

4 (8) (2) : 64

4 (8) (2)

4 (8) = 32

4 (8)

Apply rule:

(a) = a

(8) = 8

= 4 \cdot 8

Multiply the numbers:

4 \cdot 8 = 32

= 32

= 32 (2)

32 (2) = 64

32 (2)

Apply rule:

(a) = a

(2) = 2

= 32 \cdot 2

Multiply the numbers:

32 \cdot 2 = 64

= 64

= 64

= 64 - 64

Add and subtract (left to right)

64 - 64 : 0

64 - 64

64 - 64 = 0

= 0

= 0

5 \times 7 + 2 \times 7^{2}

8 \div (3 - 5) - 2 [- 3 (1 - 4) - 6 \div (1 - 3)]

24 \div (- 6 - 2) - [2 \times (3^{2} - 4) + 3]

(3) (3) - 4 (1) (5)

25 - 10 - 17