SOLUTION: I'm a little confused on this question. I don't know how to type a square root, but inside the square root is t+30=t How does this problem get worked? Thanks

SOLUTION: I'm a little confused on this question. I don't know how to type a square root, but inside the square root is t+30=t How does this problem get worked? Thanks

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Question 319420: I'm a little confused on this question.
I don't know how to type a square root, but inside the square root is t+30=t
How does this problem get worked?
Thanks
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
sqrt(t+30)=t
square both sides
t+30=t^2
t^2-t-30=0
t^2-6t+5t-30=0
t(t-6)+5(t-6)=0
(t-6)(t+5)=0
t=6 OR t=-5
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