Question

69^(2)-75^(2)/44^(2)-38^(2)
вот так но не дошла доконца(69+75)(69-75)

Answer 1

$\frac{69 ^{2}-75 ^{2} }{44 ^{2} -38 ^{2} } = \frac{(69-75)(69+75)}{(44-38)(44+38)}= \frac{-6*144}{6*82} = - \frac{72}{41} =-1 \frac{31}{41}$