Question: what is the difference between quadratic expressions and quadratic polynomial?
Answer: An equation of the form ax2 + bx + c = 0 where a, b, and c are constants and a ≠ 0 is known as a quadratic equation. Here, it is equating to 0. Examples:x2 - 4x + 3 = 0, x2 - 3x = 0 etc. a polynomial when equated to zero or some value becomes an equation.