146k views
5 votes
Write
(2)/(7)x(1.4x^2-3.5y) as a polynomial.

User Fmjrey
by
3.5k points

1 Answer

3 votes

Answer:


0.41x^3-1.02xy or
0.4x^3-xy

Explanation:


(2)/(7)x(1.4x^2-3.5y) < == convert\ (2)/(7)\ to\ a\ decimal\\\\0.29x(1.4x^2-3.5y) < ==distribute\ 0.29x\\\\0.41x^3-1.02xy

Can also be written as:
0.4x^3-xy

Hope this helps!

User Aaayumi
by
3.4k points