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Popular >

7-(-2)-(-2)^2

Solution

7 - (- 2) - (- 2)^{2}

Solution

5

Solution steps

7 - (- 2) - (- 2)^{2}

Follow the PEMDAS order of operations

Calculate exponents

(- 2)^{2} : 4

(- 2)^{2}

Apply exponent rule:

(- a)^{n} = a^{n},

if

n

is even

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

= 4

= 7 - (- 2) - 4

Add and subtract (left to right)

7 - (- 2) - 4 : 5

7 - (- 2) - 4

Apply rule

- (- a) = + a

- (- 2) = + 2

= 7 + 2 - 4

7 + 2 = 9

= 9 - 4

9 - 4 = 5

= 5

= 5

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8 - (- (- 9 - 8) + (- 2 + 7)) - (- 3 + 8)

-(-3)^2-6(-3)+1

- (- 3)^{2} - 6 (- 3) + 1

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

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

Frequently Asked Questions (FAQ)

What is 7-(-2)-(-2)^2 ?
The solution to 7-(-2)-(-2)^2 is 5