What is -(-3)^2+4(-3)-9 ?

The solution to -(-3)^2+4(-3)-9 is -30

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-(-3)^2+4(-3)-9

- (- 3)^{2} + 4 (- 3) - 9

- 30

Solution steps

- (- 3)^{2} + 4 (- 3) - 9

Follow the PEMDAS order of operations

Calculate exponents

(- 3)^{2} : 9

(- 3)^{2}

Apply exponent rule:

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

n

is even

(- 3)^{2} = 3^{2} = 9

= 9

= - 9 + 4 (- 3) - 9

Multiply and divide (left to right)

4 (- 3) : - 12

4 (- 3)

Apply rule

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

4 (- 3) = - 4 \cdot 3 = - 12

= - 12

= - 9 - 12 - 9

Add and subtract (left to right)

- 9 - 12 - 9 : - 30

- 9 - 12 - 9

- 9 - 12 = - 21

= - 21 - 9

- 21 - 9 = - 30

= - 30

= - 30

0 - 8 - 8

2 (3)^{2} - 4 (3) + 7

10 \div 2 + 4 - 3 + 8 \times 4 - 3 - 7 - 6 + 4 - 3 \div 2

2 - 5^{2}

50 \div 5 + 2 (2^{3} - 2^{2})