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Andrei [34K]
3 years ago
10

PLS HELP! What is the mistake made below in solving x2 – 12x + 10 = 0 using the completing the square method?

Mathematics
2 answers:
IgorC [24]3 years ago
7 0

Answer:

Step-by-step explanation:

x2-12x-10

 -10    +    1    =    -9  

     -5    +    2    =    -3  

     -2    +    5    =    3  

     -1    +    10    =    9  

No two such factors can be found !!

x2 - 12x - 10  = 0

2.1      Find the Vertex of   y = x2-12x-10

Masteriza [31]3 years ago
4 0

Answer:

Step-by-step explanation:

Everything is correct. But you forgot to add

x = 6 - square root of 26. The answer is

x = 6 + square root of 26 or

x = 6 - square root of 26

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