Hey There!! ~ （。＾▽＾）
The answer to this is: [tex](- 2, - 7)[/tex]
Explanation: [tex]3x^{2} + 12x 5[/tex]
[tex]y = 3( x + 2)^{2} - 7[/tex]
[tex]3( x + 2) ^{2} - 7[/tex]
[tex]a = 3[/tex]
[tex]h = 2 \ - 7[/tex]
[tex]k = - 7[/tex]
Hope It Helped!~
Good Luck With Your Assignment~
[tex]UsedLess[/tex]~
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