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Answer :

4x² + 3x - 2

This is a quadratic trinomial

Explanation: A quadratic equation has 2 as its highest index power

Then a polynomial involving 3 terms is a trinomial equation.

Hence the expression

4x² + 3x - 2 has its highest index power as 2 (4x raised to the power of two) and it has three separate terms, and that makes it a quadratic trinomial.