Question
Asked Jun 22, 2019
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x2 - 4x + 40=0

 

how do i complete the square in the problem above?

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Expert Answer

Step 1

We are given equation as

 

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x — 4х +40 - 0

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Step 2

Firstly, we will move constant term on right side

 

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4х+ 40-40 3D0 —40 х* x — 4х — -40 х

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Step 3

We can use perfect square f...

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a 2ab b(a-b)

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Algebra

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