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Mathematics
Angelica
10 April, 17:33
Evaluate 5x - 2y (7x - y) for x = 7 and y = - 2.
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Summer
10 April, 19:06
0
X = 7
y = - 2
5x - 2y (7x-y)
5 (7) - ((2 (-2)) (7 ((7) - (-2)))
35 - ((-4) (49 + 2))
35 - ((-4) (52))
35 - (-204)
239
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