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Answer 1 · 2018-01-22T06:31:02

#=-107#

Rewrite the expression as:

#7\times 3-4color(red)((\frac{8}{4}))^{2+color(red)(\frac{6}{2}})#

Simplify the fractions:

#\rightarrow 7\times 3-4color(red)((2))^{2+color(red)(3)}#

#\rightarrow 7\times 3-4color(blue)((2)^5)#

Evaluate the exponent:

#\rightarrow 7\times 3-4color(blue)((32))#

Evaluate the multiplication:

#\rightarrow 21-128#

#\rightarrow -107#