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6x²-7x-20=0 by factorisation method |
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Answer» Step-by-step explanation: 6x²-30x+4x -20=0 6x(x-5)+4(x-5)=0 (6x+4)(x-5)=0 6x+4=0 or x-5=0 x=4/6 or x=5 x=2/3 or x=5 |
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