Polynomial multiplication

To multiply two polynomials, please enter polynomial coefficients for each polynomial separated by space. A coefficient can be an integer, real or complex number. 0-coefficient means empty polynomial term.

Polynomial multiplication

Polynomial 1

Polynomial 2

Calculate

Calculation precision

Exact

Rounded

Digits after the decimal point: 2

Problem

 

Result

 

 Link  Save  Widget

Polynomial multiplication formula:
(a_rx^r + ... + a₀)(b_sx^s + ... + b₀)=p_r+sx^r+s + ... + p₀,
where p_k=a₀b_k + a₁b_k-1 + ... + a_k-1b₁ + a_kb₀
Note: a_i = 0 when i>r and b_j = 0 when j>s ¹