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Question

27. a) The sum of three consecutive multiples of 6 is 666. Find the multiples.
b) Multiply (2x + 3)(3x + 2)

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Solution

a.Let 3 consecutive multiples are : 6x, 6x + 6 and 6x + 12.Now, according to question :6x + 6x + 6 + 6x + 12 = 66618x + 18 = 66618x = 648x = 36So, consecutive multiples are :6×36; 6×36+6; 6×36+12216; 222; 228b. 2x + 33x + 2=2x3x + 2 + 33x + 2=6x2 + 4x + 9x + 6=6x2 + 13x + 6

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