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

Select the correct answer from each drop-down menu. Complete this paragraph on the benefits of reading by selecting the most relevant, credible, and trustworthy

tate the order and type of each transformation of the graph of the function ƒ(x) = –(x + 1)3 + 1 as compared to the graph of the base function. right 1 unit, r

How do i add the sum of a column in excel?

The function f(x) = x^2 - 12x + 5 written in vertex form is f(x)=(x-6)^2 - 31. What are the coordinates of the vertex? (6,31) (-6,31) (6,-31) (-6, -31)

Determine whether the relation represents y as a function of x.

Can someone help me with this question?

URGENT PLZ HELP ME!!!

A 3.00-kg object undergoes an acceleration given by a = (2.00 i + 5.00 j) m/s^2. Find (a) the resultant force acting on the object and (b) the magnitude of the

What type of cell reproduction has gametes?

Which U.S. president abandoned détente?