Verified Answer :

you do -5x^2  which gives you 25x and then you add 18x to 25x which will give you 43x and then you are left with 43x+8.

Panoyin
  1. -5x² + 18x + 8
          -5x² + 20x - 2x + 8
          (5x + 2)(-x + 4)

    37. -12x² + x + 20
          -12x² + 16x - 15x + 20
          (4x + 5)(-3x + 4)

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