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Solving a Quadratic Equation by Factorization Method

Factories: 1 ...

Question

Factories: 1/3x²-2x-9

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Solution

1/3x^2-2x-9

1/3x^2-3x+x-9

taking 1/3x from first two terms then

1/3x (x-9)+1 (x-9)

(If we take 1/3x from- 3x we get -9)

(x-9)(1/3x+1)

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\frac{1}{3} x^{2} - 2 x - 9

\frac{1}{3} x^{2} - 2 x - 9

Factorize 1/3x² -2x-9

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