three times the square of a non-zero number is equal to fifteen times the number.. what is the number?

Question

02-09-2017
Mathematics

contestada

three times the square of a non-zero number is equal to fifteen times the number.. what is the number?

Respuesta :

Otras preguntas

Which of the following does Estonia, Latvia, Lithuania, and Poland all lack? A. industrial centers B. access to the Baltic Sea C. tourism D. an infrastructure

Background information: flora tristan was a women's rights advocate from france. she wrote this excerpt in her journal about life in manchester. unless you have

What shape is a kite that is not a rhombus?

Find the sum of the polynomials. (x + 5) + (2y + 4x - 2) 10xy 5x + 2y + 3 5x + 2y - 7 5x + 7y - 2

Who are the federal branches of lawmakers and what are their power concerning law-making?

How did the Supreme Court ruling on the Indian Removal Act affect Andrew Jackson's course of action regarding Native Americans?

One factor of 32 is

The presidential election of 2000 is an example of how a candidate can receive the greatest share of the popular vote, but lose the election to an opponent. Use

Which statement most accurately answers why the Europeans in the Caribbean felt the need to bring in enslaved African as laborers

wolf1728 wolf1728 · Answer 1 · 2017-09-02T19:28:39+02:00

wolf1728 wolf1728

02-09-2017

3 * (x^2) = 15x
3x^2 -15x = 0
x= - -15 +- sq root (225 -4*3*0) / 2*3
x = [15 +-sq root (225 -4*3*0] / 6
x1 = [15 +15] / 6
x1 = 5

x2 = [15 -15] / 6
x2 = 0

The number is 5

Check
3 * 5^2 = 15 * 5
75 = 75

Answer Link