3x²-x-120=0 factorise
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Multiply 120×3 and find the product.
Then break the product in a way that you get 1.
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Step-by-step explanation:
The question is wrong I think question should be 3x^2-2x-120=0
3x^2-2x-120=0
3x^2+18x-20x-120=0
3x(x+6) -20(x+6)=0
(3x-20)(x+6)=0
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