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

I need help finding the right answer

What will lead directly to a government "shut down"? a. when Congress and the president cannot agree on temporary funding b. when the president vetoes congresse

He works until he is tired. The sentence has Noun Clause Adjective Clause Adverb Clause No Clause

If Earth is in between the sun and the Moon in both Image 1 and Image 2, why do you think a lunar eclipse is only happening in Image 2?

Traduzca la siguiente frase. The volunteers are going to give the food to the homeless people. O A. Los voluntarios le darán la comida a los enfermos. B. Los vo

7. Find the area of Q in terms of . Q 20 in. a. 400.7 in.2 b. 100 in c. 200.7 in. d. 100.7 in.

The US State Department is launching a program centered on which of these? A TV shows B Social media C Video games D Music production

How can I find the radius of a cone ? If not given the volume ?

change each of the following to the plural form.

The warmer weather of summer in many parts of the Northern Hemisphere is caused by the fact that during this period -