# Math Help - Help with irrational numbers, please?

1. ## Help with irrational numbers, please?

3 square root of 50 plus 6 square root of 18?

2. Originally Posted by Laura901
3 square root of 50 plus 6 square root of 18?
$3 \sqrt{50} + 6 \sqrt{18}$

$= (3 \times 5) \sqrt{2} + (6 \times 3) \sqrt{2}$

$= 15 \sqrt{2} + 18 \sqrt{2}$

$= 33 \sqrt{2}$

3. Originally Posted by janvdl
$3 \sqrt{50} + 6 \sqrt{18}$
Originally Posted by janvdl

$= (3 \times 5) \sqrt{2} + (6 \times 3) \sqrt{2}$

$= 15 \sqrt{2} + 18 \sqrt{2}$

$= 33 \sqrt{2}$

Thank you!