please show solution

0

509

2

-4*-5*-6(7)=

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2⁺⁰ Answers

+170

+5

-4*-5*-6(7)

-6(7) = -42

-4*-5*-42

-4*-5= 20

20*-42 = -840

Midway Feb 2, 2017

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840_BOOM!

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