Simplify 5√7+√7−2√7
a.4√7
b.3√21
c.3√7
d.4√21
i really am stuck on thi...
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Mathematics, 10.01.2020 19:31, kellypechacekoyc1b3
Simplify 5√7+√7−2√7
a.4√7
b.3√21
c.3√7
d.4√21
i really am stuck on this problem.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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