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The coefficients in the polynomial 5x^2 + 2x - 4 are 5, 2, and -4.
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What are the coefficients in the polynomial 5x^2 + 2x - 4?
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For questions 2 and 3 add or subtract.
2. (m^2 - m - 4) + (m - 5)
To add these two expressions, we'll group together the like terms and then combine them.
(m^2 - m - 4) + (m - 5) = m^2 - m + m - 4 - 5
= m^2 - 9
So, (m^2 - m - 4) + (m - 5) = m^2 - 9.