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What polynomial must be added to -5x 2x - 5 so that the sum is 3 x - x - 1?

User Shaynae
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Final answer:

To find the polynomial that must be added to -5x + 2x - 5 so that the sum is 3x - x - 1, the polynomial that must be added is 2x - 5.

Step-by-step explanation:

To find the polynomial that must be added to -5x + 2x - 5 so that the sum is 3x - x - 1, we need to combine like terms on both sides of the equation. On the left side, -5x + 2x simplifies to -3x. On the right side, 3x - x simplifies to 2x. Therefore, the polynomial that must be added is 2x - 5.

User Lncr
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