Question

simplify 9 square 5 - 3 square 5 + square 125

Answer 1

$\underline{\large\bf{\mathfrak{Hello!}}}$

$= > 9 \sqrt{5} - 3 \sqrt{5} + \sqrt{125} \\ \\ ( \sqrt{125} = 5 \sqrt{5} ) \\ \\ = > 9 \sqrt{5} - 3 \sqrt{5} + 5 \sqrt{5} \\ \\ = > </p> <p>9 \sqrt{5} + 2 \sqrt{5} \\ \\ = > 11 \sqrt{5}$

$\boxed{ 11 \sqrt{5} }$

$\bf{\mathfrak{Hope \: this \: helps...:)}}$

Answer 2

$9 \sqrt{5} - 3 \sqrt{5} + \sqrt{125} \\ \\ 9 \sqrt{5} - 3 \sqrt{5} + \sqrt{5 \times 25} \\ \\ 9 \sqrt{5} - 3 \sqrt{5} + 5 \sqrt{5} \\ \\ (9 - 3 + 5) \sqrt{5} \\ \\ 11 \sqrt{5} your \: answer \\ \\ hope \: it \: helpful$