Answer:
The answer is "[tex]126 x^3\sqrt{30}[/tex]"
Step-by-step explanation:
Please find the correct question in the attached file.
Given value:
[tex]\to 7 \sqrt{5 x^3} \cdot 9x\sqrt{24x}\\\\\to 63x \sqrt{5 \times 24\ x^4}\\\\\to 63x \sqrt{5 \times 24 \times x^2 \times x^2}\\\\\to 63 x^3 \sqrt{120}\\\\\to 63 \times 2 \times x^3\sqrt{ 30}\\\\\to 126 x^3\sqrt{ 30}\\\\[/tex]
