16. Solve -3x2 - 9x + 12 = 0.
1 answer:
Given :
To find :-
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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Answer: A
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