What is 12^2-4(3)(-4) ?

The solution to 12^2-4(3)(-4) is 192

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12^2-4(3)(-4)

1 2^{2} - 4 (3) (- 4)

192

Solution steps

1 2^{2} - 4 (3) (- 4)

Follow the PEMDAS order of operations

Calculate exponents

1 2^{2} : 144

1 2^{2}

1 2^{2} = 144

= 144

= 144 - 4 (3) (- 4)

Multiply and divide (left to right)

4 (3) (- 4) : - 48

4 (3) (- 4)

4 (3) = 12

4 (3)

Apply rule:

(a) = a

(3) = 3

= 4 \cdot 3

Multiply the numbers:

4 \cdot 3 = 12

= 12

= 12 (- 4)

Apply rule

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

12 (- 4) = - 12 \cdot 4 = - 48

= - 48

= 144 - (- 48)

Add and subtract (left to right)

144 - (- 48) : 192

144 - (- 48)

Apply rule

- (- a) = + a

- (- 48) = + 48

= 144 + 48

144 + 48 = 192

= 192

= 192

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

\frac{- 18 - 16}{- 18 - 18}

63 \div 7 \times 3 - 4

- 3 + 7 + 4^{2} + 6 - 3 \times 4 \div 2

(2 - 3) (2 - 3)