What is (12)^2-4(1)(-8) ?

The solution to (12)^2-4(1)(-8) is 176

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(12)^2-4(1)(-8)

(12)^{2} - 4 (1) (- 8)

176

Solution steps

(12)^{2} - 4 (1) (- 8)

Follow the PEMDAS order of operations

Calculate exponents

(12)^{2} : 144

(12)^{2}

(12)^{2} = 144

= 144

= 144 - 4 (1) (- 8)

Multiply and divide (left to right)

4 (1) (- 8) : - 32

4 (1) (- 8)

4 (1) = 4

4 (1)

Apply rule:

(a) = a

(1) = 1

= 4 \cdot 1

Multiply the numbers:

4 \cdot 1 = 4

= 4

= 4 (- 8)

Apply rule

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

4 (- 8) = - 4 \cdot 8 = - 32

= - 32

= 144 - (- 32)

Add and subtract (left to right)

144 - (- 32) : 176

144 - (- 32)

Apply rule

- (- a) = + a

- (- 32) = + 32

= 144 + 32

144 + 32 = 176

= 176

= 176

4 + 4 \div 4

- 3 (- 4) - 17

- (- 8)^{2} + 10 (- 8)

1 (- 2) + 2

8^{2} + 15 \times 9 - 3^{2} + (5 - 3)^{2}