What is (-6)^2+5(-6)-6 ?

The solution to (-6)^2+5(-6)-6 is 0

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(-6)^2+5(-6)-6

(- 6)^{2} + 5 (- 6) - 6

0

Solution steps

(- 6)^{2} + 5 (- 6) - 6

Follow the PEMDAS order of operations

Calculate exponents

(- 6)^{2} : 36

(- 6)^{2}

Apply exponent rule:

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

n

is even

(- 6)^{2} = 6^{2} = 36

= 36

= 36 + 5 (- 6) - 6

Multiply and divide (left to right)

5 (- 6) : - 30

5 (- 6)

Apply rule

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

5 (- 6) = - 5 \cdot 6 = - 30

= - 30

= 36 - 30 - 6

Add and subtract (left to right)

36 - 30 - 6 : 0

36 - 30 - 6

36 - 30 = 6

= 6 - 6

6 - 6 = 0

= 0

= 0

(15 \div (- 3) \times 5) - (12 + (- 21) \div 3)

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

- 2^{2} - 6

2 \times 7^{2}

2 + 2^{1} + 2^{2} + 2^{3} + 2^{4} + 2^{5}