smithbryan106 smithbryan106
  • 30-06-2014
  • Mathematics
contestada

Which choice is equivalent to the expression below when x  0?

√18X^30-√9X^3+3√X^3-√2X^3

A.2√2X
B.4√X
C.2X√2X
D.√10X^3

Respuesta :

Аноним Аноним
  • 30-06-2014
[tex]\sqrt{18x^3}-\sqrt{9x^3}+3\sqrt{x^3}-\sqrt{2x^3}\\\\=\sqrt{9x^2\cdot2x}-\sqrt{9x^2\cdot x}+3\sqrt{x^2\cdot x}-\sqrt{x^2\cdot2x}\\\\=3x\sqrt{2x}-3x\sqrt{x}+3x\sqrt{x}-x\sqrt{2x}=2x\sqrt{x}\\\\Answer:C.[/tex]
Answer Link
konrad509
konrad509 konrad509
  • 30-06-2014
[tex]\sqrt{18x^3}-\sqrt{9x^3}+3\sqrt{x^3}-\sqrt{2x^3}=\\ 3\sqrt{2x^3}-3\sqrt{x^3}+3\sqrt{x^3}-\sqrt{2x^3}=\\ 2\sqrt{2x^3}=\\ 2x\sqrt{2x}\Rightarrow C[/tex]
Answer Link

Otras preguntas

What caused the French Revolution? In two words, extreme inequality. Dressed in lavish clothing, the royal family relaxed while munching on banquets at their pa
3. Determine the terminal point for the vector u= <7,8> if the initial point is (1, 3). a. (6,5) b. (7,5) c. (8,11) d. (6,5)
v. If ∆PQR≅∆ XYZ then which statement is true. a. b. c.
Someone, please help with this Calculus problem!!! ASAP
simplify 4(x + 2y)-(3x-8y)​
PLS HELP BEST PRESENT EVER!!!!!!!!!!!!!
What types of pollution in the Great Lakes has human activity caused? Check all that apply. industrial waste soil erosion sewage disposal runoff air pollution
in the membranous skeleton ----sheath surrounds the central nervous system I perineural ii perineurium iii peritoneum iv perichondrium
-55 POINTS- what is the probability that a given student is on financial aid given that he or she is a graduate
How many solutions will this system of equations have? (2 points) x − 2y = 24 3x − 6y = 72