2root2x^2+9x+5root2

Let p(x) = 2√2x2 + 9x + 5√2
                = 2√2x2 + 4x + 5x + 5√2
                = 2√2x2 + 2√2√2x + 5x + 5√2
                = 2√2x(x + √2) + 5(x + √2)
                = (x + √2) (2√2x + 5)

  • 3
Should we factorise it ???
  • -1
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