itsgrxzzly itsgrxzzly

15-11-2019
Mathematics

contestada

Which value must be added to the expression x^2– 3x to make it a perfect-square trinomial?

Respuesta :

jimrgrant1 jimrgrant1

15-11-2019

Answer:

[tex]\frac{9}{4}[/tex]

Step-by-step explanation:

Given

x² - 3x

add ( half the coefficient of the x- term)²

x² + 2(- [tex]\frac{3}{2}[/tex])x + (- [tex]\frac{3}{2}[/tex])²

= (x - [tex]\frac{3}{2}[/tex])² + [tex]\frac{9}{4}[/tex]

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