Math Homework Help - Tagged with x

What is x in  1+5+9+----+x=231?

Posted by locchange May 17, 2013 at 5:27 PM via web. 1 educator answer. »

How would you solve for x when you have the problem: 2(x+1)=6(x-3).

Posted by taylor-winston May 5, 2013 at 12:21 AM via iOS. 1 educator answer. »

Factorise (25-10y)^3 + y^2 (25-10y)^2

Posted by yapperz5000 April 23, 2013 at 2:17 PM via web. 1 educator answer. »

Binomial question: What is the term that have x & y with the same power in `(root(3)(x^2)+sqrt y )^49` ?    

Posted by marikametz February 11, 2013 at 8:10 AM via web. 1 educator answer. »

Explain how is show the curve have x intersept where a, b roots in real?6(x-a)(x-b)+3a(x-b)+2b(x-a)=0 a,b real roots thanks

Posted by bufves January 5, 2013 at 7:55 AM via web. 1 educator answer. »

hard questionsolve in x  4 power(x-sqroot(x (power2) -5)))-12*2 power(x-1-(x power 2-5)power (.5))+ 8=0?  

Posted by grindgb December 7, 2012 at 10:20 AM via web. 1 educator answer. »

find x in this equation 3x/(x-1) + 2=3/(x-1)I did this question myself but got the answer as x=1 but when you check it back into the equation...

Posted by boogey--lee November 4, 2012 at 6:42 PM via web. 1 educator answer. »

Determine x given that `9^x=(1/3)^(1-x)`

Posted by ichigokurusaki October 22, 2012 at 10:50 AM via web. 2 educator answers. »

Given 3(x+y)^1/2+2(8-x)^1/2+(6-y)^1/2=14 what are x, y real?

Posted by markll September 28, 2012 at 4:05 PM via web. 1 educator answer. »

Prove that  `sin x*cos(90-x)+cos^2(180-x)=1`  if x is an acute angle's measure.

Posted by zimzum95 September 10, 2012 at 7:34 PM via web. 1 educator answer. »