Question 467432
(7x - 49)/121 ÷ (x - 7)/77x
[7(x - 7)]/121 ÷ (x - 7)/77x {factored 7 out of 7x - 49}
[7(x - 7)]/121 • 77x/(x - 7) {when dividing with fractions, multiply by reciprocal}


7(x - 7)(77x)
------------- {multiplied horizontally through numerators and denominators}
121(x - 7)


7(7x)
----- {cancelled x - 7 on top and bottom also cancelled 77 with 121}
11


49x 
---- {multiplied 7 by 7x on top}
11
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