25-01-2016
Mathematics

contestada

Factorise using the difference of two squares:
I)4x squared-(2x+3) squared

Respuesta :

Panoyin Panoyin

25-01-2016

4x² - (2x + 3)²
4x² - (2x + 3)(2x + 3)
4x² - (2x(2x + 3) + 3(2x + 3))
4x² - (2x(2x) + 2x(3) + 3(2x) + 3(3))
4x² - (4x² + 6x + 6x + 9)
4x² - (4x² + 12x + 9)
4x² - 4x² - 12x - 9
-12x - 9
-3(4x) - 3(3)
-3(4x + 3)

Answer Link

Otras preguntas

(-5x^3)(7x^5) Simplify

if i haf 1,232,456 cookies but 400,987 are fake how many cookies do i have

Given the exponential function f(x) = 4(3)*, find f(0) and f(1). Help

PLZ HELP 35 POINTS In addition to the blood types A, B, AB , and O, a person’s blood may be classified as Rh positive or Rh negative. In the United States, abou

Sentence of reducation

There is a new diagnostic test for a disease that occurs in about 0.05% of the population. The test is not perfect, but will detect a person with the disease 99

A Bag contains eight titles labeled A,B,C,D,E,F,G, and H. One title will be randomly picked. What is the probability of picking a letter that is not a vowel?

what expression has the greatest value of if x=8

Joe Gustafson is a very busy person who prefers to use one account to handle all his financial services needs like checking, investing, and borrowing. Which of

Planarian, any of a group of widely distributed, mostly free-living flatworms of the class Turbellaria (phylum Platyhelminthes). Planaria is the name of one gen