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3xsquare-2ysquare equals 9xsquare plus 4ysquare-12xy how do you reach this answer?
Wiki User
∙ 14y ago
3x2 - 2y2 = 9x2 + 4y2 - 12xy (subtract 3x2 and add 2y2 to both sides)
0 = 9x2 -3x2 + 4y2 + 2y2 - 12xy
0 = 6x2 + 6y2 - 12xy (divide by 6 to both sides)
0 = x2 + y2 - 12xy or
x2 - 2xy + y2 = 0
(x - y)(x - y) = 0
x - y = 0
x = y
Wiki User
∙ 14y ago
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