Question

5: The product of a non-zero whole number and its successor is always
divisible by
(A) 2 (B) 3 (C) 4 (D) 5
크​

Answer 1

Answer:

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1. Simplify: (4x2 - 2x) - (-5x2 - 8x).

Solution:

(4x2 - 2x) - (-5x2 - 8x)

= 4x2 - 2x + 5x2 + 8x.

= 4x2 + 5x2 - 2x + 8x.

= 9x2 + 6x.

= 3x(3x + 2).

Answer: 3x(3x + 2)