gabriella0606 gabriella0606

18-09-2018
Mathematics

contestada

please explain why (rad x+4 plus rad 2) becomes x+6+2rad2x+8

please explain why rad x4 plus rad 2 becomes x62rad2x8 class=

Respuesta :

18-09-2018

Because (a+b)^2 = a^2+ b^2 + 2ab
So... (rad(x+4))^2 + ( rad2)^2+ 2• rad(x+4)•rad(2)= x+4+2+ 2• rad(2•(x+4))= x+8+2 rad( 2x+8)

Answer Link

Otras preguntas

determine the kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0m/s.

I put 2500 in the bank at 8% intrest for 15 years. How much intrest will i earn over that time?

In what way(s) did the Chinese use steel and iron?

In the middle of science class, you have a great idea. Being on the fourth floor, you get a friend to watch out the window of the third, second and first floors

Because Spain held such a dominant presence in the Americas, Portugal focused on _________. A. Africa B. India C. China D. Europe

The technology company asks the general contractor to lay gravel on the ground in the area between the warehouse and the fence. Each bag of gravel, G, covers 12

in the late 1400s, most europeans lived in

On a scale drawing of a community garden, 1 inch equals 50 feet. The actual dimensions of the community garden are 175 feet by 250 feet. What are the dimensions

According to state agencies that monitor day care facilities, a typical sanitation requirement is that one toilet and handwashing fixture be provided for every

give an example of an open equation