Question

define example for quadratic polynomial

Answer 1

example is
2x^2+x+1=0
3x^2+5x+3=0
4x^2+3x+1=0
5x^2+x+1=0
6x^2+3x+2=0

Answer 2

here is your definition and example:
a quadratic polynomial or equation is something with degree 2.
example:
$5x {}^{2} + 10x + 25$
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