sguo1111
sguo1111
29-02-2020
Mathematics
contestada
Factor the expression 16a^2 -81
Respuesta :
guskarose
guskarose
29-02-2020
According to short multiplication formula - different of squares:
a² − b² = (a − b)(a + b)
16a² - 81 = (4a)² - 9² = (4a - 9)(4a + 9)
Answer Link
VER TODAS LAS RESPUESTAS ( 46+ )
Otras preguntas
1.Graph the function y=2/x . Find the range of the function given that the domain of the function is all real numbers x, except x is not equal to 0. Draw a char
Find the surface area of the composite solid. Leave your answer in terms of pi.
87percent of 41 is what
Which word in the sentences above is a suboardinating conjunction?use,to,when,has
what is 22.45 and 90.32 rounded to the nearest whole number
choose the correct way to rewrite this fraction as a percent. 19 20
Read the following sentences from "The Censors." Poor Juan! One day they caught him with his guard down before he could realize that what he had taken as a stro
summarize how a case is usually heard and decided when it reaches the supreme court
the beginning of the Anglo-Saxon period roughly corresponds with which historical event
The school band is scheduled to march in the annual parade, but the band’s starting point is changed the day before the parade. The band director calls three ba
