Question

subtract 21ax + 15by - 6cz from 12ax + 6by + 11cz​

Answer 1

Answer:

= 12ax + 6by + 11cz - (21ax + 15by - 6cz)

= 12ax + 6by + 11cz - 21ax - 15by + 6cz

= 12ax -21ax + 6by - 15by + 11cz + 6cz

= -9ax - 9by + 17cz

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Answer 2

Step-by-step explanation:

12ax+6by +11cz - (21ax+15by-6cz)

• Remember when it is subtraction if such numbers sign changes in inside the bracket

soo

12ax+6by +11cz

- 21ax-15by+6cz

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-9ax-9by +17cz

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Here goes your answer!

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