Adding
we get 
Option C 4 StartRoot 2 EndRoot i is correct.
Step-by-step explanation:
We need to find the sum of: 
Finding sum:

can be written as 
can be written as 
We know 18 = 2x3x3 = 2x3^2 so,


Adding like terms:

So, adding
we get 
Option C 4 StartRoot 2 EndRoot i is correct.
Keywords: Square root expressions
Learn more about Square root expressions at:
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Answer:
(x - 11)(x + 2)
Step-by-step explanation:
You have to find factors that add up to -9 and multiply up to -22. First numbers to pop up should be 11 and 2. Now you simply figure out which signs go where, and to produce -9, 11 has to be subtracted and 2 has to be added to <em>x</em>.
Answer:
y= x -1
y= 2x-5
Step-by-step explanation:
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