Answer:
B -30x^2 sqrt(2x)
Explanation:
2 sqrt(5x^3) * -3 sqrt(10x^2)
-6 sqrt(5x^3) sqrt(10x^2)
We know that sqrt(a) sqrt(b)
-6 sqrt(50x^5)
-6 sqrt(25*2 x^2 x^2 x)
-6 sqrt(25) sqrt(2x) sqrt(x^2) sqrt(x^2)
-6 (5) x*x sqrt(2x)
-30x^2 sqrt(2x)
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