Subract x square- y square + Z Square from x square- y square - Z Square the resultant expression is
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x वर्ग- y वर्ग + Z वर्ग को x वर्ग- y वर्ग - Z वर्ग में से घटाने पर परिणामी व्यंजक है
Step-by-step explanation:
For example, solve x²+6x=-2 by manipulating it into (x+3)²=7 and then taking the square root.
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