What is the simplified form of x plus 4 over x squared plus x minus 12 ⋅ x plus 4 over x squared plus 8x plus 16 ?

1 over the quantity x minus 4 squared
1 over the quantity x plus 3 times the quantity x minus 4
1 over the quantity x plus 4 squared
1 over the quantity x minus 3 times the quantity x plus 4

The correct option is 4.

Step-by-step explanation:

The given expression is,

Use grouping method to factorize the denominations.

Cancel out the common factor (x+4).

Therefore the correct option is 4.

c. 16 units

step-by-step explanation:

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70,000 + 6,000 + 800 + 30

step-by-step explanation: