Question

If 2a square +9b square +4c square-4a -6b +4ac =-5, then the value of a square -b square +c square is equal to

Answer 1

Answer:

44

Step-by-step explanation:

2 2 2 2

2 2 2

4 4 4 4 9 6 1 0

2 2 3 1 0

2 0, 2 0, 3 1 0

1 9 2, ,

3 2

1

a c ac a a b b

a c a b

a c a b

a b c

c

         

      

     

   

 

then:

2 2 2 abc  

1

4 1

9

1

5

9

44

Answer 2

Answer:

th answer is __________

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