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Mathematics, 13.02.2021 01:00 xlajbd

Select the expression that cannot be simplified. A 7x − 4 + 8
B 4x2 − 7x + 8
C 8x2 − 7x2 + 8x
D 4x + 8x + 7

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Select the expression that cannot be simplified. A 7x − 4 + 8
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