Answers edited by Elliott G.
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How do you factor #-6x^2-(-6x^3) #?
Value of (n!)^2 . ???
How do you simplify #x^5 /( x^2 y^-2)#?
How do you simplify #\frac { 40k ^ { 4} } { 4k } - \frac { 44k ^ { 3} } { 4k } - \frac { 60k ^ { 2} } { 4k } - \frac { 4k } { 4k } - \frac { 21} { 4k }#?