alanipurple
alanipurple alanipurple
  • 22-03-2022
  • Mathematics
contestada

Combine these radicals.

Combine these radicals class=

Respuesta :

semsee45
semsee45 semsee45
  • 22-03-2022

Answer:

[tex]14\sqrt{5}[/tex]

Step-by-step explanation:

   [tex]8\sqrt{5}+2\sqrt{45}[/tex]

[tex]=8\sqrt{5}+2\sqrt{9\cdot5}[/tex]

Use radical rule [tex]\sqrt{a \cdot b}=\sqrt{a}\sqrt{b}[/tex]

[tex]=8\sqrt{5}+2\sqrt{9}\sqrt{5}[/tex]

[tex]=8\sqrt{5}+2\cdot3\sqrt{5}[/tex]

[tex]=8\sqrt{5}+6\sqrt{5}[/tex]

[tex]=(8+6)\sqrt{5}[/tex]

[tex]=14\sqrt{5}[/tex]

Answer Link
Аноним Аноним
  • 23-03-2022

Combine these radicals

8√5 + 2√45

O 4√5

O 10√5

O 14√5 ✓

  • 8√5 + 2√45
  • ⇢2√5(4 + √9)
  • ⇢2√5(4+3)
  • ⇢2√5 x 7
  • ⇢14√5

O 74√5

Answer Link

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