Mathematics, 19.07.2019 00:30 giovney

If x + y = 12 and x - y = 3, then
x2 - y2 =

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If x + y = 12 and x - y = 3, thenx2 - y2 =

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If x + y = 12 and x - y = 3, then
x2 - y2 =