Question

How do you simplify −2√15(−3√3+3√5)?

Answer 1

Answer : - 11.7123

Step by step explanation :

$- 2 \sqrt{15} ( - 3 \sqrt{3} + 3 \sqrt{5} )$

Distribute - 2√15 through the parenthesis.

$= > 6 \sqrt{45} - 6 \sqrt{75}$

Simplify the roots.

$= > 18 \sqrt{5} - 30 \sqrt{3}$

$= > - 11.7123$