bhhzd3037 bhhzd3037

02-10-2017
Mathematics

contestada

Multiplying by a conjugate gives a rational number because (a + b)(a -
b.= _____.

Respuesta :

kritter1 kritter1

02-10-2017

Use foil.

(a+b)(a–b)
a^2 -ab +ab -b^2
a^2 – b^2

Hope I helped :)

Answer Link

Otras preguntas

which land feature is formed by water erosion and deposition is shown in the image below A. a meander B. a delta C. an oxbow lake D a rejuvenated stream

Define intifada. a. holy war b. uprising c. pogrom d. diaspora

What is the percent decrease from 350 to 70?

at a track meet,Jacob and daniel compete in 220 m hurdles. Daniels finishes in 3/4 of the a min.Jacob finishes with 5/12 of a min remaining.who ran the race in

What are the solutions to the nonlinear system of equations below? Check all that apply. y=4x x^2 +y^2 = 17 A. (17,4) B. (17,-4) C. (-1,-4) D. (1,4) E. (-4,1

The Normans who invaded England in 1066 came from the nation that is known today as _____. A. Denmark B. Belgium C. Germany D. France

After the American Revolution, why did other nations look to the United States as a model nation? A.The United States was a representative democracy. B.The Un

what did Abraham Lincoln do for a living?

if you have your net worth and assets, how do you get your liabilities? 1) nw=9456.00 a=15640.00 l=???

what does electrical energy change to when you plug in an oven\