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Byju's Answer
Standard VIII
Mathematics
Addition and Subtraction of Like and Unlike Terms
Subtract 5 x2...
Question
Subtract 5x²- 4y²+6y-3 from 7x²-4xy+8y²+5x-3y
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Solution
r = 5x² - 4y² + 6y - 3
and
r' = 7x² - 4xy + 8y² + 5x - 3y
Now,
r' - r
= (7x² - 4xy + 8y² + 5x - 3y) - (5x² - 4y² + 6y - 3)
= 2x² - 4xy + 12y² + 5x - 9y + 3
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