6x3 - x2 + 17 = 2x2 + 47
6x3 - x2 - 2x2 = 47 - 17
x2(6x - 1 - 2) = 30
this is the simplest factorisation.
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2x2 + 10 - 9x = 0 or 2x2 - 9x + 10 = 0 So (x - 2)*(2x - 5) = 0
2x2+13x+15 = (2x+3)(x+5)
2x2 + 11x + 15 = (x + 3)(2x + 5).
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No.