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OpenStudy (anonymous):
Perform the operation and simplify. (5t7 − 7t5 + 5) − (7t7 − 5t5 + 7)
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OpenStudy (anonymous):
Remember to combine like terms. The take away sign in the middle will opposite each sign in the next set of parenthesis. Your new problem will be (5t^7 - 7t^5 + 5) + (-7t^7 + 5t^5 - 7) Now, just combine like terms. (5t^7 + -7t^7) + (-7t^5 + 5t^5) + (5 + -7) Your final answer will be -2t^7 - 2t^5 - 2.
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