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Solve by factoring


-3x^2-11x+2=0

1 Answer

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Answer:

x = -11, 2/3

Explanation:

-3x^2-11x+2=0

-(3x^2+11x-2) = 0

3x^2 + 11x - 2 = 0

3x^2 + 33x - 22x - 2 = 0 ==> 33-22=11 and 33/11=3 and -22/11=-2

3x(x + 11) - 2(x + 11) = 0 ==> factor

(3x - 2)(x + 11) = 0

3x - 2 = 0 x + 11 = 0

3x = 2 x + 11 - 11 = 0 - 11

{ x = 2/3 x = -11 } ==> x = -11, 2/3

User Jan Zegan
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