navin
navin
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6/x = 7/(x + 3) => 6(x + 3) = 7x => 6x + 18 = 7x => 7x - 6x = 18 => x = 18 Ans.
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6/x = 7/(x + 3) => 6(x + 3) = 7x => 6x + 18 = 7x => 7x - 6x = 18 => x = 18 Ans.
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(x + 2)(2x - 3x + 2) = (x + 2)(- x + 2) = (2 + x)(2 - x) = 4 - x^2 Ans.
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(x + 2)(2x - 3x + 2) = (x + 2)(- x + 2) = (2 + x)(2 - x) = 4 - x^2 Ans.
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20 - [6 - (4 + 2)] = 20 - [6 - 6] = 20 - 0 = 20 Ans.
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product of (3x + 7) * (7x - 3) = (3x+7)*(7x-3) = 21x^2 - 9x + 49x - 21 = 21x^2 + 40x - 21 Ans.
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product of (3x + 7) * (7x - 3) = (3x+7)*(7x-3) = 21x^2 - 9x + 49x - 21 = 21x^2 + 40x - 21 Ans.
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20 - [6 - (4 + 2)] = 20 - [6 - 6] = 20 - 0 = 20 Ans.
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(x + 2)(2x - 3x + 2) = (x + 2)(- x + 2) = (2 + x)(2 - x) = 4 - x^2 Ans.