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Write the sum in standard form

E) 1(x)-m(x)

Write the sum in standard form E) 1(x)-m(x)-example-1
User Ian Kent
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Answer:

Explanation:

l(x) - m(x) = 5x² - 7y² + 4xy - [ -10x² + 9y² - 12xy + 4]

= 5x² - 7y² + 4xy + 10x² - 9y² + 12xy - 4

= 5x² + 10x² - 7y² - 9y² + 4xy + 12xy - 4 {Combine like terms}

= 15x² - 16x² + 16xy - 4

User Parijat
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