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4√5x - √80x+√45x Help please
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8 votes
4√5x - √80x+√45x
Help please

User Umair Mubeen
by
4.1k points

1 Answer

2 votes

Answer:

Explanation:

Remark

√80 = √(16 * 5) = 4√5 I will put the - sign in when I gather terms

√45 = √(9 * 5) = 3√5

Expression

4√5x - √80x+√45x

Solution

4√5x - 4√5x + 3√5x

The first two terms cancel out

3√5x is all that is left

Answer: 3√5x

User Marco Smdm
by
3.8k points
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