Problem 168 of 7
Simplify the nested polynomial operation: -2[3(x-y) - (x+2y)] + 5x.
Hints
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apply order of operations with polynomial expressions.
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Follow order of operations across grouping, products, sums, and differences.
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Solution
Walkthrough
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1. Simplify inside grouping symbols when useful.
2. Distribute products and negatives.
3. Combine like terms in standard form.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Skipping distribution through bracketed subtraction.