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Add or subtract (5x^2-4x-1)-(-4x^2-4)
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1 vote
Add or subtract (5x^2-4x-1)-(-4x^2-4)

User Pinku
by
3.9k points

2 Answers

6 votes


(5x^2-4x-1)-(-4x^2-4)


(5x^2-4x-1) + (4 {x}^(2) + 4)


5x^2-4x-1 + 4 {x}^(2) + 4


( {5x}^(2) + {4x}^(2) ) + ( - 4x) + ( - 1 + 4)


{9x}^(2) - 4x + 3

User Nilesh Verma
by
4.2k points
3 votes

Answer:

5x^2 - 4x - 1 + 4x^2 + 4

9x^2 - 4x + 3

Explanation:

User Dylan Meador
by
4.3k points
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