Question

What must be added to 2x^3-8x^2-x+3 to obtain a polynomial which os exactly divisible by x=2

Answer 1

Answer:

47

Step-by-step explanation:

x = 2

p(x) = 2x³ - 8x² - x +3

  0    = 2(2)³ - 8(2)² - 2 + 3

0       = 2 × 8 - 8 × 4 - 2 + 3

 0     =  16 - 32 - 2 +3

0       = -50 + 3

   0   = -47

∴ 47 must be added.

   

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