Question

17. Simplify: (ab -c)2 + 2abc
18. Define polynomial.
19. Subtract 6x2 - 4xy + 5y? from 8y² + 6xy - 3x?
20. Using suitable identity evaluate: (35.4)2 – (14.6)2​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

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