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user100 [1]
3 years ago
14

Add or subtract if possible.

%204%20%5Csqrt%7B5x%7D" id="TexFormula1" title="3 \sqrt{20x} + 8 \sqrt{45x} - 4 \sqrt{5x}" alt="3 \sqrt{20x} + 8 \sqrt{45x} - 4 \sqrt{5x}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Bingel [31]3 years ago
3 0
3\sqrt{20x}+8\sqrt{45x}-4\sqrt{5x}=3\sqrt{5\times2^2x}+8\sqrt{3^2\times5x}-4\sqrt{5x}=6\sqrt{5x}+24\sqrt{5x}-4\sqrt{5x}=26\sqrt{5x}
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