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Simplify the following surd expressions a) 7 √(3) - 2 √(3) + √(3) - 3 √(3) b) 5 √(7) + 4 √(7) - 8 √(7) ​
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13 votes
Simplify the following surd expressions

a)

7 √(3) - 2 √(3) + √(3) - 3 √(3)

b)

5 √(7) + 4 √(7) - 8 √(7)
​

User Midopa
by
5.7k points

1 Answer

12 votes

Answer:

  • a) 3√3
  • b) √7

Explanation:

a)

  • 7√3 -2√3 + √3 - 3√3 =
  • √3(7 - 2 + 1 - 3) =
  • √3*3 =
  • 3√3

b)

  • 5√7 + 4√7 - 8√7 =
  • √7(5 + 4 - 8) =
  • √7*1 =
  • √7
User Alec Smart
by
5.4k points
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