Answer:
The younger brother is 16 years old.
Step-by-step explanation:
The younger brother is aged x.
It follows that the older brother is aged x+3.
x + (x+3) = 35
2x + 3 = 35
2x = 32
x = 16
Answer:
100,000 or 
Step-by-step explanation:

simplified as
or
.
<u>Step-by-step explanation:</u>
We need to Simplify seven square root of three end root minus four square root of six end root plus square root of forty eight end root minus square root of fifty four. Which is equivalent to
:

⇒ 
⇒ 
⇒ 
⇒ 
⇒ 

⇒ 
⇒ 
Therefore,
simplified as
or
.
First list all the positive and negative factors of the constant term in the expression: ±(1,2,3,4,6,12) these will be the values for "p"
Second list all the positive and negative factors of the leading coefficient:
±(1,3) these will be the values for "q"
Now list all the possible values of

these will be the possible rational zeros of the polynomial function:
±(

)
these can be reduced to the following list:
±(1,

, 2,

, 3, 4,

, 6, 12
This list represents the possible rational zeros of the function. You can then use synthetic division to narrow down the actual roots of the function.
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