Sbasketball093 Sbasketball093

18-10-2021
Mathematics

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16. Solve -3x2 - 9x + 12 = 0.

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VirαtKσhli VirαtKσhli

18-10-2021

Given :

-3x² - 9x + 12 = 0

To find :-

Value of x .

Solution :-

Given equation ,

-( 3x² + 9x -12 ) = 0
3x² + 9x - 12 = 0
3x² + 12x - 3x - 12 = 0
3x ( x +4) -3( x +4) = 0
(3x -3)(x +4) = 0
x = 3/3 , -4
x = 1 , -4

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