7x3+2x2+3x-5 is a multimonial .
Multinomial: An algebraic expression of two terms or more than three terms is called a multinomial.
Since, 7x3+2x2+3x-5 has 4 terms, thus it is a polynomial.
Hence, given statement is true.
3x3+2x2+3x+2=?
(a) (3x−2)(x2−1)
(b) (3x−2)(x2+1)
(c) (3x+2)(x2−1)
(d) (3x+2)(x2+1)
What must be subtracted from (4x3−3x+5) to get (2x2−3x3+5x−2) ?