Question

Add the following by column method:-

5x - 8y + 2z, 3z - 4y - 2x, and 6y-z-x
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Answer 1

Answer:

$(5x - 8y + 2z) + (3z - 4x - 2x) + (6y - z - x) \\ \\ = 5x - 8y + 2z + 3z - 4x - 2x + 6y - z - x \\ \\ = 5x - 4x -2x - x - 8y + 6y + 2z + 3z - z \\ \\ = x - 3x - 2y + 5z - z \\ \\ = - 2x - 2y + 4z \\ \\ = - 2(x + y - 2z) \\ \\ = x + y - 2z$

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Answer 2

Answer:

-2(x+y) is the answer.hope. it helps you to no explanation