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786.23*x^2-2149.3*x^3-95.725+27.361
4-(2*x)-8 = 4*(x+3);x
x
a-b-c+d-0.91;a+b-c-d-0.716;a-b+c-d-0.72;a+b+c+d-0.715
10-(2*x) = 8*(x-5);x
x
207;5120;5;64;0;0
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