Question

simplify using addition and subtraction properties of surds : 5√3 + 18√3 - 2√3

Answer 1

5√3 + 18√3 - 2√3

= √3 (5+ 18 - 2)

= √3 (23- 2)

= 21 √3

Answer 2

Answer:

answer is below

Step-by-step explanation:

= 5√3 + 18√3 - 2√3

=√3 ( 5+18+2 )

= √3 (23-2)

=21√3

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