Fill in the blanks to make the statements true.

3x + 23x² + 6y² + 2x + y² + ______ = 5x + 7y².

Fill in the blanks to make the statements true.

The unlike terms in perimeters of following figures are ______ and _____.

Fill in the blanks to make the statements true.

On adding a monomial ________ to – 2x + 4y² + z, the resulting expression becomes a binomial.

Fill in the blanks to make the statements true.

If Rohit has 5xy toffees and Shantanu has 20yx toffees, then Shantanu has _____ . more toffees.

State whether the statements given are True or False.

x is a polynomial.