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Subtract -3n^2 from -7n^2

1 Answer

5 votes

Answer: 4n^2

Step-by-step explanation: -3n^2 - (-7n^2) = -3n^2 + 7n^2= 4n^2. When adding and subtracting the exponents stay the same only the coefficients are subtracted or added

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User Muzzamil
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