Subtract the sum of 8x - 5y - 2z and -6x +8y - 4z from the sum of 6x+ 2y - 4z and -2x + 4y - 8z.
please don't spam coz tomorrow is my test. The answer should be the.. it is given in the image. Please solve it step by step
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Answer:
2x + 3y - 6z
Step-by-step explanation:
{6x+ 2y - 4z +( -2x + 4y - 8z)} - {8x - 5y - 2z + (-6x +8y - 4z)}
= {6x + 2y - 4z - 2x + 4y - 8z} - {8x - 5y - 2z - 6x + 8y - 4z}
= {6x-2x - 4z - 8z + 4y + 2y} - {8x - 6x - 5y + 8y - 2z - 4z}
= {4x + 6y - 12z} - {2x + 3y - 6z}
= 4x + 6y - 12z - 2x - 3y + 6z
= 4x - 2x + 6y - 3y - 12z + 6z
= 2x + 3y - 6z
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