Expand and Simplify (32x+12x^3) / 4 + 16x

2 answers

(32x+12x^3) / (4 + 16x)
= 4x(8+3x^2) / 4(1+4x)
= x(8+3x^2)/(1+4x)
you massage it to something that pleases you
or ...
the way it was written:
(32x+12x^3) / 4 + 16x
= 8x + 3x^3 + 16x
= 3x^3 + 24x
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