87*43+(87^3-43^3)/44=
=87*43+((87-43)(87^2+87*43+43^2))/44=
=87*43+(44(87^2+87*43+43^2))/44=
=87*43+87^2+87*43+43^2=
=87^2+2*87*43*43^2=(87+43)^2=130^2=16900
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87*43+(87^3-43^3)/44=
=87*43+((87-43)(87^2+87*43+43^2))/44=
=87*43+(44(87^2+87*43+43^2))/44=
=87*43+87^2+87*43+43^2=
=87^2+2*87*43*43^2=(87+43)^2=130^2=16900