Question

write an example of quadratic polynomial in which roots are equal

Answer 1

Example: x3, 2x, y2, 3xyz etc.

A polynomial is an algebraic expression with more than one term in it.

Alternatively it can be stated as –

A polynomial is formed by adding/subtracting multiple monomials.

Example: x3+2y2+6x+10, 3x2+2x-1, 7y-2 etc.