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you can factorise 5x2-24x-12 if you use the quadratic formula:

This goes to (24(+/-)sqrt(816))/(10)

=5.257 or -0.4566 (4s.f.)

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14y ago

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You can't really factor this polynomial neatly because it has one real root (between 2 and 3) and three imaginary roots.

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12y ago
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