What should be added to 3 X square + 5 X Y + 8 y square to obtain 6 X square + 12 x y
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Answer:
∴ 3x² +7xy - 8y² is to be added
Step-by-step explanation:
( 6x² + 12xy) - ( 3x² +5xy +8y )
6x² + 12xy - 3x² -5xy - 8y
3x² +7xy - 8y²
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