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

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

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

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

- 9

Solution steps

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

Follow the PEMDAS order of operations

Calculate exponents

(3)^{2} : 9

(3)^{2}

(3)^{2} = 9

= 9

= - 2 \cdot 9 + 4 (3) - 3

Multiply and divide (left to right)

- 2 \cdot 9 : - 18

- 2 \cdot 9

- 2 \cdot 9 = - 18

= - 18

= - 18 + 4 (3) - 3

Multiply and divide (left to right)

4 (3) : 12

4 (3)

Apply rule:

(a) = a

(3) = 3

= 4 \cdot 3

Multiply the numbers:

4 \cdot 3 = 12

= 12

= - 18 + 12 - 3

Add and subtract (left to right)

- 18 + 12 - 3 : - 9

- 18 + 12 - 3

- 18 + 12 = - 6

= - 6 - 3

- 6 - 3 = - 9

= - 9

= - 9

3 - 3 \times 7 + 7

\frac{1}{4} \div (\frac{1}{2} - \frac{1}{4})

2 (4)^{1}

- 4 (5)^{2} - 3

- 3 + (- 2) - (- 5) - 3 - 10