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Hitman42 [59]
3 years ago
6

Is it possible for two different numbers, when squared, to give the same result? What does this result tell you about solving an

equation when the variable is squared? How many solutions will an equation like this have? Will there always be the same number of solutions for any equation with a squared variable? Explain.
Mathematics
1 answer:
Marizza181 [45]3 years ago
7 0
Let x,y be two different numbers
suppose x^2=y^2
then x^2-y^2=0
which yields (x+y)(x-y)=0
so either x=y or x=-y
In any case, x and y must be the same value
also when a vairable is squared like y=x^2
we must note that there are 2 possible solutions
x=(+/-)sqrt(y)
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