Question

(2)+(-4) + (-17) + (72)​

Answer 1

Answer:

53

Step-by-step explanation:

$2 + ( - 4) + ( - 17) + 72$

$= 2 - 4 - 17 + 72$

$= 74 - 21$

$= 53$

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Answer 2

Answer:X2 +  bX + C

 

  X2  +bX + C = ( X + m ) ( X +n)

 

   Such that  m+ n = 17   and mn = 72 in this case

 

     The answer is m=9  m = 8, the answer is 72= 8*9 , factors of 8, 9 whose sum is 17 is the answer  

 

  X2 + 17x + 72 = ( X +9 ) ( X+8)

Step-by-step explanation: