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il63 [147K]
3 years ago
9

I do not know how to work this out... can someone PLEASE help me???

Mathematics
2 answers:
Zolol [24]3 years ago
4 0
= square root 11 (5 - 12 - 2)
= square root 11(-9)
= -9 square root 11

answer is C.
you got it right
olga2289 [7]3 years ago
3 0
5 of something - 12 of the same thing  - 2 of the same thing
= 5 of x - 12 of x - 2 of x
=5x-12x-2x
=x(5-12-2)
=-9x

5 \sqrt{11} -12 \sqrt{11} -2 \sqrt{11} \\~\\=( \sqrt{11} )(5-12-2)\\~\\-9 \sqrt{11}


I hope you got the idea!



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