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Question

1(x-3)-1(x+5)=16,(x3,-5)

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Solution

Given:1(x 3) 1(x + 5) = 16 (x + 5) (x 3)(x 3)(x + 5) = 16 8(x2 2x 15) = 16 (x2 2x 15) = 48 [On cross multiplying] x2 2x 63 = 0 x2 (9x 7x) 63 = 0 x2 9x + 7x 63 = 0 x(x 9) + 7(x 9) = 0 (x + 7)(x 9) = 0 x + 7 = 0 or x 9 = 0 x = 7 or x = 9Hence, the roots of the equation are 7 and 9.

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