Question 285949
{{{2x^2 - x + 10 = 0}}}
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factor
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{{{(2x - 5)(x + 2) = 0}}}
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Check using FOIL (first*first + outside*outside + inside*inside + last*last)...
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{{{(2x*x) + (2x*2) + (-5*x) + (-5*2) = 2x^2 + 4x - 5x -10 = 2x^2 -x -10}}}
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Done