Saturday

December 20, 2014

December 20, 2014

Posted by **Lucy** on Monday, October 27, 2008 at 8:20pm.

(2c-1)^3=4c^2-1

I did this already:

(2c-1)^3-(4c^2-1)=0

(2c-1)^3-(2c+1)(2c-1)=0

But I need help with the next steps... Thank you!

- Math -
**Reiny**, Monday, October 27, 2008 at 8:28pm(2c-1)^3-(2c+1)(2c-1)=0

good so far, now take out a common factor

(2c-1)[(2c-1)^2 - (2c+1)] = 0 expand and simplify to

(2c-1)(4c^2 - 6c) = 0

(2c-1)(c)(4c-6) = 0

c = 1/2 or c = 0 or c = 3/2

**Answer this Question**

**Related Questions**

Trig - The next two steps in solving this trig identity question are ??? 1/...

Algebra again - I don't understand how to do this problems: Solve for the ...

Algebra - I was given an answer to a question but what I really need are the ...

Math - Hi...i asked a question about 45 minuets ago, and i have been working at ...

chemistry - i need steps of solving this question Balance the oxidation ...

math - 17x – 42 = -39 i need to show the steps for solving this equation

Algebra - Simplify the complex rational expression 3/(x+5)+ 6/(x+3) ÷ (3x+13)/(x...

Math - I need help with solving this equation and the steps on how to do it? 5X-...

Math - The sheet is titled Solving Inequalities. I need to solve this question ...

Math - I need help figuring out this question 570 x 64 I need help on the steps ...