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rockets31
 3 years ago
how do you solve an equation by using square roots.
rockets31
 3 years ago
how do you solve an equation by using square roots.

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cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1heres an example solve for x: (x  3)^2 = 25 take the square root of both sides: x  3 = 5 or x  3 = 5 these are easily solved  don't forget there are 2 square roots positive and negative

rockets31
 3 years ago
Best ResponseYou've already chosen the best response.0ok thank you!! how would you solve one with an integer before the x^2 such as 4x^2 +4x+1=75

cwrw238
 3 years ago
Best ResponseYou've already chosen the best response.1you need to factor 4x^2 +4x+1 to see if its a perfect square it is in fact it equals (2x + 1)^2  now proceed as in first example
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