Question 309616: For the Equation 4X^2-100=0, did I do my work right? 4X^2-100=0
+100 +100
4X^2=100
/4 /4
X^2=25
My teacher said that if it was a prime number or if it had no perfect square you could leave it as it is is this true and is my answer right? Thank you
Answer by checkley77(12844)   (Show Source):
You can put this solution on YOUR website! 4X^2-100=0
+100 +100
4X^2=100
/4 /4
X^2=25
YOUR ANSWER IS CORRECT SO FAR BUT:
NO YOU CAN'T QUIT NOW BECAUSE 25 IS A PERFECT SQUARE AND THE ANSWER IS:
X=SQRT25
X=5 ANS.
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