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(2x7 + 7x4 + 6) - (2x4 - x)= _____A.4x11 + 6x3 +6B.2x7 + 9x4 - x + 6C.2x7 + 5x4 + x + 6D.6x3 + 6

Question

(2x7 + 7x4 + 6) - (2x4 - x)= _____A.4x11 + 6x3 +6B.2x7 + 9x4 - x + 6C.2x7 + 5x4 + x + 6D.6x3 + 6

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Solution

To subtract the second expression from the first, we subtract each term in the second expression from the corresponding term in the first expression.

The first expression is 2x^7 + 7x^4 + 6. The second expression is 2x^4 - x.

Subtracting the second expression from the first gives:

(2x^7 + 7x^4 + 6) - (2x^4 - x) = 2x^7 + (7x^4 - 2x^4) + (6 + x) = 2x^7 + 5x^4 + x + 6

So, the correct answer is C. 2x^7 + 5x^4 + x + 6.

This problem has been solved

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