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Question
Subtract the second polynomial from the first.
`5x^2 - 2y + 9 ; 3x^2 + 5y - 7`
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Solution
`(5x^2 - 2y + 9) - (3x^2 + 5y - 7)`
`= 5x^2 - 2y + 9 -3x^2 - 5y + 7`
`= 5x^2 - 3x^2 - 2y - 5y + 9 +7`
`= 2x^2 - 7y + 16`
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