Welcome to Westonci.ca, where curiosity meets expertise. Ask any question and receive fast, accurate answers from our knowledgeable community. Connect with a community of experts ready to help you find solutions to your questions quickly and accurately. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

Given 21x³ - 3x² = 0, which values of x will satisfy the equation? ​

Sagot :

Answer:

7x=1 (or x=1/7)

Step-by-step explanation:

First, simplify to get

7x3 -x2   = 0

Factor to get this x2 * (7× - 1) = 0

x2 = 0, then x = 0

Answer:

0 and 1/7

Step-by-step explanation:

One obvious answer would be 0. And another:

[tex]21x^3 - 3x^2 = 0 \\21x^3 = 3x^2\\7x = 1\\x = \frac{1}{7}[/tex]