malaysiadarden0927 malaysiadarden0927

04-04-2020
Mathematics

contestada

Which of the following polynomials is a difference of squares? *
10 points
x^2+16
x^2+6x+9
x^2+5x+4
x^2-9

Respuesta :

jimrgrant1 jimrgrant1

04-04-2020

Answer:

x² - 9

Step-by-step explanation:

A difference of squares has the form

a² - b²

Thus

x² - 9

= x² - 3² ← is a difference of squares

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