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**1. The problem statement, all variables and given/known data**

factorize fully:

4x^2 - 12x - 14

**2. Relevant equations**

**3. The attempt at a solution**

Quadratic equation:

(-(-12)+ sqrt(12^2 - (4 * 4 * -14))/ 2 * 4

(12 + sqrt(144 + 224))/8

in the end it became a surd

(12+ sqrt(368))/8

Could someone tell me how to factorize this?

or is that as far as it will go?

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