hockeygirl37
hockeygirl37
22-04-2014
Mathematics
contestada
how to factor 16x²-72xy+81y²
Respuesta :
gom3z18
gom3z18
22-04-2014
use the perfect square trinomial method. since 16x² is a perfect square and so is 81y² your answer would be (4x-9y)² when u multiply that out it will give u 16x²-72xy+81y²
Answer Link
Аноним
Аноним
22-04-2014
[tex]16x^2-72xy+81y^2=(4x)^2-2\cdot4x\cdot9y+(9y)^2=(4x-9y)^2\\\\=(4x-9y)(4x-9y)\\\\\\\\(a-b)^2=a^2-2ab+b^2[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
Otras preguntas
New trade agreements are expected to
Which sentence does not contain any punctuation errors? A. A wild animal was spotted on Mon Mar 15. B. A wild animal was spotted on Mon. Mar. 15. C. A wild anim
Why had Lenin been imprisoned by the Russian government?
from the set {1,5,7,or none of them} using substitution to determine the value of x if its 14x + 9=79
when you complete a job but use more time and effort than is truly necessary, how have you worked?
what two numbers multiply to get -27 and add to 6
Solve the word problem. The table shows the low outside temperatures for Monday, Tuesday, and Wednesday. By how many degrees did the low temperature increase
constitutional amendment that outlawed slavery and indentured servitude
14. A person's beliefs and general outlook, which act like filters on the information they receive, is called A. consideration. B. attitude. C. efficiency.
which statement about court cases in which one private party is suing another is true?
