Which of the following expressions can be combined?

asked Aug 2, 2023 232k views

5 votes

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1 vote

Answer: Choice C

Work Shown:

$2√(12) - 6√(27)\\\\2√(4*3) - 6√(9*3)\\\\2√(4)*√(3) - 6√(9)*√(3)\\\\2*2*√(3) - 6*3*√(3)\\\\4√(3) - 18√(3)\\\\(4-18)√(3)\\\\-14√(3)\\\\$

In short,

2√(12) - 6√(27)=-14√(3)

Sean Bone answered Aug 6, 2023

4.1k points

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