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Homework Statement
factorize fully:
4x^2 - 12x - 14
Homework Equations
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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