5x + 5 - 8x - 8x + 4 = 9 - 11x
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10x2-5x-5 = (10x+5)(x-1)
As written, -5x + 9x = 4x 4x - 4 = 4(x - 1) If that's -5x2 + 9x - 4, that factors to -(x - 1)(5x - 4)
......x^2-5x+2 ------------------------ x-1)x^3-6x^2+7x-2 ......x^3-x^2 -------------------------- ..............-5x^2+7x ..............-5x^2+5x ------------------------- ..........................2x-2 ..........................2x-2 -------------------------- .............................0 The quotient is x^2-5x+2
5x2 + x - 6 = (5x + 6)(x - 1) 5x2 - x - 6 = (5x - 6)(x + 1)
2x squared - 5x - 3 = (2x +1)(x -3)