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Add 1 7 to both sides ... $\quad x_{1,\:2}=\frac{-b\pm\sqrt{ b^2-4ac}}{2a}$ x 1, 2=− b ±√ b 2−4 ac 2 a ... x =−( −143 )+√(−143 ) 2−4(−2)343 2(−2 ...
Missing: [tex] product 35. tex]
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