Answer :

Answer:

-7±3√6

Step-by-step explanation:

Answer:

By completing the square and rewrite equation in the form of

[tex]y = a{(x - p)}^{2} + q[/tex]

Where the vertex is (p, q)

axis of symmetry is x=p

Step-by-step explanation:

The solution is in the picture

${teks-lihat-gambar} ernest725

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