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dem82 [27]
3 years ago
5

I need to know how to answer this if someone could explain it step by step thanks!

Mathematics
1 answer:
vlada-n [284]3 years ago
7 0

Step-by-step explanation:

2 \sqrt{7x} .3 \sqrt{14 {x}^{2} }  \\  = 2 \times 3 \sqrt{7x \times 14 {x}^{2} }  \\  = 6 \sqrt{7x  \times 2 \times 7 {x}^{2} }  \\  = 6 \sqrt{2 \times 7 \times 7 \times  {x}^{2} \times x }  \\  = 6 \times 7 \times x \sqrt{2 \times x}  \\  = 42x \sqrt{2x}

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