7.6 Practice A Algebra 1 Answers

Question: (2x^2 + 6x -7) + ( 3x^2 - 9)
Answer: 5x^2 + 6x -16
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Question: (3x + 5) - ( 2x - 7)
Answer: x + 12
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Question: (7x^3 - 2x^2 + 6x - 9) + ( 4x^2 - 3x)
Answer: 7x^3 + 2x^2 + 3x - 9)
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Question: (8x^4 - 6x^3 + 9x^2) - ( 2x^4 + 3x^2 - 9)
Answer: 6x^4 -6x^3 + 12x^2 -9
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Question: (3x^3 + 4x^5 - 2x^2) - ( 2x^5 + 4x^2)
Answer: 2x^5 + 3x^3 -6x^2
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