SOLUTION: 10x^2 = 100 how do I work it out so that I get x= +/- √10?

SOLUTION: 10x^2 = 100 how do I work it out so that I get x= +/- √10?

Algebra.Com

Question 589717: 10x^2 = 100
how do I work it out so that I get x= +/- √10?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!

divide both sides by 10:

take the square root of both sides:

(plus or minus)

RELATED QUESTIONS
Hi- I have been working on this problem and I think I am doing it right. I am about... (answered by jim_thompson5910)

How do I factor 2x^3+10x^2+6x-18=0 . I know the answer is 2(x-1)(x+3)^2. How do I get... (answered by josgarithmetic,Edwin McCravy)

ok i have many more problems to go like this and i need help FAST i need to go to bed and (answered by venugopalramana)

ok i have many more problems to go like this and i need help FAST i need to go to bed and (answered by venugopalramana)

(3+ √x)^2+3(3+ √x)-10=0 How do I do this and then plug in solutions to check (answered by Fombitz)

how do i get... (answered by Fombitz)

say you divide 75.92 by 1.3 I multiplied 75.92 by 100 so it becomes 7592 I also... (answered by josgarithmetic,MathTherapy,math_tutor2020,greenestamps,ikleyn)

Here is my problem. [SQRT(x + 7)] - 2[SQRT(x)] =-2 OR √(x + 7) -... (answered by lwsshak3)

f(-21/10)=13(-21/10)-26(-21/10)+14 i do not understand how to work this problem out i (answered by stanbon,richwmiller)