Вычислите: 138^2-38^2 / 122^2-78^2

Question

Вычислите: 138^2-38^2 / 122^2-78^2

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Answer 1

I hope this helps you

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Answer 2

138^2 - 38^2 = (138×138) - (38×38) = 19044 - 1444 = 17600
122^2 - 78^2 = (122×122) - (78×78) = 14884 - 6084 = 8800