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Find the discriminant of the quadratic $5x^2 - 2x + 8 - 4x^2 + 16x + 23.$

 Jan 8, 2024
 #1
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Simplify  as

 

x^2  +  14x  +  31

 

Discriminant  =   14^2  - 4 (1)(31)  =  196 - 124   =   72

 

 

cool cool cool

 Jan 9, 2024

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