Question 365126
{{{(x - 1/5)(x + 1)(x + 3/7)=((5x-1)(x+1)(7x+3))/35=(35x^3+43x^2+5x-3)/35}}}
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{{{a=1}}}
{{{b=43/35}}}
{{{c=5/35}}}
{{{d=-3/35}}}
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{{{-a + b - c + d =-35/35+43/35-5/35-3/35=(-35+43-5-3)/35=highlight(0)}}}