Question

simplify the expression;

1.
$6 \sqrt{5} + 2 \sqrt{5} - 3 \sqrt{5}$
2.
$9 \sqrt{28} - 2 \sqrt{63} + 3 \sqrt{57}$
3.
$\sqrt{75} - \sqrt{27} + 12$
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pls paanswer

Answer 1

Step-by-step explanation:

sorry sorry for question number 2 and 3

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Answer 2

Answer:

1. 6√5+2√5-3√5

6√5+2√5-3+5

6√5+2√3

6√5+2+3

6√10

6+10

√16

4 is the answer

2. 9√28-2√63+3√57

9√28-2√63+3+57

9√28-2√123

9√28-2+123

9√97

9+97

106

106 is the answer

3. √75-√27+12

√75-√39

√75-39

√36

6 is the answer.

Step-by-step explanation:

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