What is -(-7)^2-6(-7)+13 ?

The solution to -(-7)^2-6(-7)+13 is 6

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

-(-7)^2-6(-7)+13

- (- 7)^{2} - 6 (- 7) + 13

6

Solution steps

- (- 7)^{2} - 6 (- 7) + 13

Follow the PEMDAS order of operations

Calculate exponents

(- 7)^{2} : 49

(- 7)^{2}

Apply exponent rule:

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

n

is even

(- 7)^{2} = 7^{2} = 49

= 49

= - 49 - 6 (- 7) + 13

Multiply and divide (left to right)

6 (- 7) : - 42

6 (- 7)

Apply rule

a \cdot (- b) = - a \cdot b

6 (- 7) = - 6 \cdot 7 = - 42

= - 42

= - 49 - (- 42) + 13

Add and subtract (left to right)

- 49 - (- 42) + 13 : 6

- 49 - (- 42) + 13

Apply rule

- (- a) = + a

- (- 42) = + 42

= - 49 + 42 + 13

- 49 + 42 = - 7

= - 7 + 13

- 7 + 13 = 6

= 6

= 6

8 \div 2 \times 5 + (9 - 7) \div 8 - 3

- \frac{1}{2} \times 2 + 2

4 \times 3 + 2 \times 5 - 6 \times 3

81 - 2^{2}

(12 - 7 - 8 + 1) \times (- 2)