7x + 2
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-x2 + 6x + 16 = -(x2 - 6x - 16) = -(x - 8)(x + 2) = -(8 - x)(x + 2)
As a polynomial in standard form, x plus 5x plus 2 is 6x + 2.
(6x + 1)(x + 2)
5x^2 + 6x + 9 + (?) = -x^2 +3x + 3 (?) = -5x^2 -6x - 9 -x^2 +3x + 3 = -6x^2 -3x -6 Ans: -6x squared +3x -6
(x^2 - 6x + 18)(x^2 + 6x + 18)