-Subtract the sum of x²-3y-5 and -3x²-4y+6 from 5x²-2y²+3.
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Answer:
3x² - 2y² - 7y + 4
Step-by-step explanation:
x² - 3y - 5 + -3x² - 4y + 6
=> x² -3x² - 3y - 4y - 5 + 6
=> -2x² - 7y + 1
Subtracting
5x² - 2y² + 3 -2x² - 7y + 1
=> 5x² -2x² - 2y² - 7y + 3 + 1
=> 3x² - 2y² - 7y + 4
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