Respuesta :

The trinomial in standard form is 11/4x²  + 17x - 28

How to rewrite the expression?

The expression is given as:

(3x-4)(x+7)-1/4x^2

Rewrite properly as:

(3x - 4)(x + 7) - 1/4x²

Expand the expression

3x² - 4x + 21x - 28 - 1/4x²

Collect like terms

- 1/4x² + 3x² - 4x + 21x - 28

Evaluate the like terms

11/4x²  + 17x - 28

Hence, the trinomial in standard form is 11/4x²  + 17x - 28

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