Seudónimo Seudónimo
  • 17-05-2017
  • Mathematics
contestada

simplify the radical expression (-9√28a^2*1/3√63a)

show work

Respuesta :

mjankiewicz
mjankiewicz mjankiewicz
  • 17-05-2017
a ≥ 0

[tex]-\not9^3\sqrt{28a^2}*\frac{1}{\not3^1}\sqrt{63a}=\\\\ =-3a\sqrt{4*7}*\sqrt{9*7a}=\\\\=-3a*2\sqrt{7}*3\sqrt{7a}\\\\ =-18a\sqrt7*\sqrt 7*\sqrt a=\\\\=-18a*(\sqrt7)^2*\sqrt a =\\\\ =-18a*7*\sqrt a=\\\\ =-126a\sqrt a[/tex]
Answer Link

Otras preguntas

-4/6 plus 11/12 OH PLEASE HELP ME QUICK!
Write an equation in slope-intercept form of the line that passes through (3,8) and (1, - 2) The equation is y = ?
Can you help me i will give you a branlist
What is the answer to this?
A dilver descends to a depth of -25.6 feet relative to sea level. How many feet must the diver ascend to reach sea level?A: 0.6 feetB: 25 feet C: 25.6 feet D: 2
Directions: Choose three cardiovascular activities from the list in the lesson or discuss with your teacher other cardiovascular activities that you would like
Simplify 3^2 × 3^7 What is the value of the exponent?​
Workers in a healthcare environment are responsible for knowing when and how to use which of the following types of personal protective equipment? a. hats b. gl
Simplify the following expression: 3g^2– 7g + 5g + 12
How do you know whether two quantities x and y are proportional? A. Every ratio for related pairs of x and, is equivalent. B. Every sum x + y is the same for re