SOLUTION: What is the vertex of the graph of y=2(x-3)(x+1) What is the vertex of the graph of y=2x²+8x-3

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Question 173213: What is the vertex of the graph of y=2(x-3)(x+1)

What is the vertex of the graph of y=2x²+8x-3

Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!
you have to complete the square.
:
added 16(2)...so had to subtract 32 outside the parenthesis
:
this in vertex form (h,k) is the vertex
:
vertex is at (-4,-35)

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