Xsquare subtract Zsquare
Kindheart:
answer
becz there is a identity( A sq - B sq)
hmm the que was incomplete
let her do ...
its okay
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Answer:
X^2 - z^2 = (x+z) (x - z)
It is the same as a^2 - b^2 = (a+b) (a-b)
Hope this helps you
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