3 years ago

How many solutions does an equation of the form x^2- k^2= 0 have?

1 answer:

N76 [4]3 years ago

8 0

1. Use Difference of squares: a^2-b^2=(a+b)(a-b)
(x+k)(x-k)=0

2. Solve for x and k
x=+-k
k=+-x

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