How to solve which number completes the square of the expression belo? 2x^2-3x+ 1. 9/8 2. 9 3. -9/2 4. 9/16

 1. .

Step-by-step explanation:

The given expression  

Using completing the square method.

First, we divide the entire expression by 2 and write in the form of , we get

Such that

Now add and subtract on both sides.

Here, we add and subtract .

Hence, the correct answer is  1. .

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step-by-step explanation: