Find the Vertex Form y=-x^2+4x-1

Math
Complete the square for .
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Use the form , to find the values of , , and .
Consider the vertex form of a parabola.
Substitute the values of and into the formula .
Simplify the right side.
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Cancel the common factor of and .
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Factor out of .
Move the negative one from the denominator of .
Multiply by .
Find the value of using the formula .
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Simplify each term.
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Cancel the common factor of and .
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Factor out of .
Move the negative one from the denominator of .
Multiply by .
Multiply by .
Add and .
Substitute the values of , , and into the vertex form .
Set equal to the new right side.
Find the Vertex Form y=-x^2+4x-1

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