3 x square - 5 x minus 12 equal to zero
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Answered by
4
3x²-5x-12,
3x²-(9-4)x-12,
3x²-9x+4x-12,
3x(x-3)+4(x-3),
(x-3)(3x+4)
3x²-(9-4)x-12,
3x²-9x+4x-12,
3x(x-3)+4(x-3),
(x-3)(3x+4)
Answered by
7
3x²-5x-12=0,
3x²-9x+4x-12=0,
3x(x-3)+4(x-3)=0,
(x-3)(3x+4)=0
3x²-9x+4x-12=0,
3x(x-3)+4(x-3)=0,
(x-3)(3x+4)=0
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