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Your answer is A. just did it.

The square form of the given equation as per quadratic equation is (x - 2)² = 7.

What is a quadratic equation?

A quadratic equation is an equation where the variable has the highest degree of 2.

Given equation: 3[tex]x^{2}[/tex] - 12x = 9

⇒  3[tex]x^{2}[/tex] - 12x - 9 = 0

⇒ [tex]x^{2}[/tex] - 4x - 3 = 0

⇒ [tex]x^{2}[/tex] - 4x = 3

⇒ [tex]x^{2}[/tex] - 2 × x × 2 + 4 = 3 + 4

⇒ (x - 2)² = 7

Therefore, the square form of the given equation is (x - 2)² = 7.

Learn more about quadratic equation here: https://brainly.com/question/12279188

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