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    • 2 years ago

    √(x+4)-√(x-36)=400 how would I find x?

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    1. Grazes
      • 2 years ago
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      You can either square both sides(which is tedious in my opinion) or add (root (x-36)) to the right side and square both sides like that. I feel that that way is easier because less radicals on one side is just... easier... Remember to use the formula \[(a+b)^{2}=(a ^{2}+2ab+b ^{2})\] It'll make life easier.

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    spraguer (Moderator)
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