jaterianmitchell1214 jaterianmitchell1214

30-06-2022
Mathematics

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Combine these radicals
8[tex]\sqrt{5} + 2\sqrt{45} \\\\A: 4\sqrt{5} \\B: 10\sqrt{5} \\C: 14\sqrt{5} \\D: 74\sqrt{45}[/tex]

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georgepahno georgepahno

30-06-2022

Answer:

[tex]7 \sqrt{5} [/tex]

Step-by-step explanation:

[tex] \sqrt{5} + 2 \sqrt{45} [/tex]

[tex] \sqrt{5} + 2 \sqrt{9} \sqrt{5} [/tex]

[tex] \sqrt{5} + 2(3 \sqrt{5} )[/tex]

[tex] \sqrt{5} + 6 \sqrt{5} [/tex]

[tex]7 \sqrt{5} [/tex]

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