Mathematics

add or subtract.simply by collecting like radical  terms if possible. 3√50 -5√72 +5√18=____ simplify your answer,type exact answer using radicals as needed.


Answers

yassautumn

4 years ago Comment

Best answer

[latex]3\sqrt{50} -5\sqrt{72} +5\sqrt{18}=\\ 15\sqrt2-30\sqrt2+15\sqrt2=\\ 0 [/latex]

Gracie216

4 years ago Comment

[latex]3\sqrt{ 50} -5 \sqrt{72} +5 \sqrt{18}=3\sqrt{ 25\cdot 2} -5 \sqrt{36\cdot 2} +5 \sqrt{9\cdot 2}=\\ \\=3\cdot 5\sqrt{ 2} -5*6 \sqrt{ 2} +5\cdot 3 \sqrt{ 2}=15\sqrt{ 2} -30 \sqrt{ 2} +15\sqrt{ 2}= 0[/latex]