Question

Solve the following:
15] Add : 2x(x - y - z) + 2y(x + y - z) + 2/(x – y + z)
16] Subtract: (4x2 – 5xy - 6x + 7) - (3x2 – 7xy + 8x - 3)
17] Simplify: (x + y) (2x + y) + (x + 2y) (x - y)
18] Find the curved surface area of a cylinder whose radius is 7 cm and height is 10 cm.​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

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