Answer:
x=12
Step-by-step explanation:
first we simp. 18:x=x:8 to x^2=18*8. In which case it is x^2=144 x=12
Answer: 4x√5
√2x • √40x=
√(2*40*x*x)=
√80x^2=
√(16*5x^2)=4x√5
55%
