Question

what is the vertex form of y=-x^2-4x+3?

Answer 1

Hint
\[
y=-x^2-4x+3=-x^2-4x+4-4+3?
\]

Answer 2

Further hint
\[
y=-x^2-4x+3=-(x^2+4x+4) +4+3
\]

Answer 3

Remember
\[
(a+b)^2 = a^2 + 2 a b + b^2
\]

Answer 4

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