2 x square - 7 x minus 15
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2x^2 - 7x - 15
=> 2x^2 - 10x +3x - 15
=> 2x(x-5) +3(x-5)
=> (2x+3)(x-5)
=> 2x^2 - 10x +3x - 15
=> 2x(x-5) +3(x-5)
=> (2x+3)(x-5)
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