√27 - 3√75 +5√48 + 2√108

asked by guest
on Nov 13, 2024 at 10:52 pm



You asked:

Evaluate the expression: 27375+548+2108\sqrt{27} - 3 \sqrt{75} + 5 \sqrt{48} + 2 \sqrt{108}

MathBot Answer:

27375+548+2108=20334.64101615137754587054892683011745\sqrt{27} - 3 \sqrt{75} + 5 \sqrt{48} + 2 \sqrt{108} = 20 \sqrt{3} \approx 34.64101615137754587054892683011745


27375+548+2108=27375+548+2108=33375+548+2108=33353+548+2108=33153+548+2108=33153+543+2108=33153+203+2108=33153+203+263=33153+203+123=123+203+123=83+123=203\begin{aligned}\sqrt{27} - 3 \sqrt{75} + 5 \sqrt{48} + 2 \sqrt{108}&=\sqrt{27} - 3 \cdot \sqrt{75} + 5 \cdot \sqrt{48} + 2 \cdot \sqrt{108}\\&=3 \cdot \sqrt{3} - 3 \cdot \sqrt{75} + 5 \cdot \sqrt{48} + 2 \cdot \sqrt{108}\\&=3 \cdot \sqrt{3} - 3 \cdot 5 \cdot \sqrt{3} + 5 \cdot \sqrt{48} + 2 \cdot \sqrt{108}\\&=3 \cdot \sqrt{3} - 15 \cdot \sqrt{3} + 5 \cdot \sqrt{48} + 2 \cdot \sqrt{108}\\&=3 \cdot \sqrt{3} - 15 \cdot \sqrt{3} + 5 \cdot 4 \cdot \sqrt{3} + 2 \cdot \sqrt{108}\\&=3 \cdot \sqrt{3} - 15 \cdot \sqrt{3} + 20 \cdot \sqrt{3} + 2 \cdot \sqrt{108}\\&=3 \cdot \sqrt{3} - 15 \cdot \sqrt{3} + 20 \cdot \sqrt{3} + 2 \cdot 6 \cdot \sqrt{3}\\&=3 \cdot \sqrt{3} - 15 \cdot \sqrt{3} + 20 \cdot \sqrt{3} + 12 \cdot \sqrt{3}\\&=-12 \cdot \sqrt{3} + 20 \cdot \sqrt{3} + 12 \cdot \sqrt{3}\\&=8 \cdot \sqrt{3} + 12 \cdot \sqrt{3}\\&=20 \cdot \sqrt{3}\end{aligned}