Square root of 12 (

)
Square root of 18 (

)
You can multiply these two together to get:

Therefore your answer is 6 square root of 6.
Answer:
His answer is wrong.
Step-by-step explanation:
-4(6-R)=12 <-- Since R is negative, -4 times -R results in a positive so, 4R.
-24+4R=12
+24 +24
--------------------
4R = 36
R= 9
You mean square root of 200? It's 14.14
X+x^2=2
x^2+x-2=0
(x+2)(x-1)=0
So x=-2, 1
Y=7.5
Isolate the variable by dividing each sides by factors that don't contain the variable. Hope this helps!