solve the equation 2x square -3x-27=0
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2x^2-3x-27=0
2x square +6x-9x-27=0
2x(x+3)-9(x+3)=0
(2x-9)=0 or (x+3)=0
x=9/2 or x=-3
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value of x is -9/2 and - 3
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