SOLUTION: What does x equal when
(5x+5)^1/2-5=3x
Algebra.Com
Question 304563: What does x equal when
(5x+5)^1/2-5=3x
Answer by CharlesG2(834) (Show Source): You can put this solution on YOUR website!
What does x equal when
(5x+5)^1/2-5=3x
(5x + 5)^1/2 = 3x + 5 (square both sides)
5x + 5 = (3x + 5)^2 (use FOIL on right side)
5x + 5 = (3x)^2 + 2*3*5*x + 25
5x + 5 = 9x^2 + 30x + 25
0 = 9x^2 + 25x + 20
use quadratic formula, a=9, b=25, c=20
rounded to 4 places
RELATED QUESTIONS
Evaluate the polynomial for x=1.
3x^2 - 3x+5
When x=1, what does the above equation... (answered by Tatiana_Stebko,stanbon)
What does x^5 equal when x=-2... (answered by richard1234)
what does x equal when... (answered by nerdybill)
3x+5(x+2)=90 what does x... (answered by rfer)
5(2-3x)=-110 what does x... (answered by Fombitz)
5=-1/2(2x-4)-2x what does x... (answered by ReadingBoosters)
5/3x=20 what does x... (answered by solver91311)
5/3x = 20...........what does x... (answered by Mathtut)
5x+6-2x=-5-x what does that... (answered by Alan3354,ReadingBoosters)