-2x2+32 -2(x2-16) -2(x+4)(x-4)
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Two is a prime factor of that equation.
Since the problem has 4 terms, first you factor x cubed plus 9x squared, then you factor 2x plus 18. So when you factor the first two term, you would get x sqaured (x plus 9). Then when you factor the last two terms and you get 2 (x plus 9). Ypure final answer would be (x squared plus 2)(x plus 9)
x < 2 or x > 8.
x2-9x+8=0 has two solutions:x = 8x = 1
-22 = 4