Question

simplify the surd 175​

Answer 1

=175

=25×7

=5×5×7

$= 5 {}^{2} + 7 {}^{1}$

Answer 2

$\sqrt{175} \\ \\ = \sqrt{5 \times 5 \times 7} \\ \\ = \sqrt{ ({5})^{2} \times 7 } \\ \\ = \green{\boxed{ 5 \sqrt{7} }}$