Question

2. {(–1) × (–2)} + {(3) × (4) × (–1)} + 20 = ______​

Answer 1

Answer:

12

Step-by-step explanation:

We have to use the BODMAS rule to solve this sum.

First we will solve all the curly brackets.

{(-1) x (-2)} = (-1) x (-2) = 2

{(3) x (4) x (-1)} = 3 x 4 x (-1) = -12

Next , we simplify the equation.

2 * 2 - 12 + 20

We then carry out the multiplication.

= 4 - 12 + 20

Next , we carry out the addition.

= 24 - 12

Lastly , we carry out the subtraction.

= 12.

Hence , the answer is 12.

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