SOLUTION: in the equation Csquared-4=0, c= to? i need some help what do i do?

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Question 32089: in the equation Csquared-4=0, c= to? i need some help what do i do?
Answer by Cintchr(481)   (Show Source): You can put this solution on YOUR website!

This is the difference of two squares. Get used to seeing this ... A LOT!!
Memorize this form:

In this case ... the c is the x value and the 4 is the y value.

set each piece equal to 0
and
and

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