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Carlie Wiggins
Mathematics
21 November, 23:36
Factor each expression 77x+21
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Rosemary Parks
21 November, 23:57
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77x + 21
We need to find the common factor between the coefficient and the constant.
77 : 7 = 11
21 : 7 = 3
7 (11x + 3) is the factor of 77x + 21.
7 (11x + 3) can be expanded using the distributive property of multiplication.
7 (11x) + 7 (3) = 77x + 21
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