add : y² - x² , 2x² - 3y² , 5y² - 3x² , 6x² + 2yz
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Answer:
x²- 2xy+3y² ; 5y²+3xy-6x²,Add the given algebraic expression using both horizontal and vertical methods.
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Answer:
add the y2 -x2, 2X, 5y2-3x2
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