How do you simplify #((7c^2)(-6c^3))/(21c^4)# and what are the excluded values for the variables?

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Answer 1 · 2018-07-02T14:15:48

#-2c#

Given that

#\frac{(7c^2)(-6c^3)}{21c^4}#

#=-\frac{7\cdot 6}{21}(c^{2+3-4})#

#=-2c#

Answer 2 · 2018-07-02T16:31:38

Multiply the numbers together and add the powers

#[-42c^5]/(21c^4)#

Divide by 21

#[-2c^5]/c^4#

Divide by #c^4# (subtract the powers)

-2c