Question

simplify
$5 \sqrt{3} (3 \sqrt{3 } - \sqrt{12} ) + 2 \sqrt{3} (4 \sqrt{27} - 5 \sqrt{48} )$
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Answer 1

Step-by-step explanation:

5√3(3√3-√12) + 2√3(4√27-5√48)

= 5*(3*3) - 5*√36 + 8√81 - 10√144

= 5*9 - 5*6 + 8*9 - 10*12

= 45-30+72-120

= 45+72 - 150

= 117-150

= -33