Algebra
posted by Student .
Simplify the expressions and solve the equations
1. 2√3  √12
My answer: 2√3  2√3 = 0
2. √(5p + 5)^2 = √(6p + )^2
I got the answer p = 4
3. √(28) + √(63) + √(175)
This one seems so simple. I tried multiple times, but I can't seem to get the correct answer. I think i'm making some little mistake in the calculations or something.
4. √(2w + 5) + 4 = √(25)
My answer: 3.5
5. √(18)/√(8  3)
My answer: 12  9 √2

#1 ok
#2 ok if you meant √(6p+1)
#3
√28 + √63 + √175
2√7 + 3√7 + 5√7 = 10√7
#4
√(2w+5) + 4 = √25
√(2w+5) = 1
2w+5 = 1
2w = 4
w = 2
#5
√18/√(83)
3√2 / √5
(3√10)/5
If you meant
√18/(√83)
(3√2)(√8+3)/5
(12+9√2)/5
How did you come up with your answer? 
I have a question.
#3: On my calculator, √28 + √63 + √175 = 6.06, but 10√7 = 26.5. Shouldn't they = the same number?
As for #5.. I'm not really sure, tbh. I tried that problem a while a go and I'm not quite sure where I was going with it. 
There's no way that
√28 + √63 + √175 = 6.06
You must have hit some wrong keys
Just a rough approximation would be
5 + 8 + 13 = 26, not 6.06! 
Well, I entered in the calculator √28 + √63 + √175 and got 6.06. I just entered the expression. I didn't take the sq roots first.
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