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Mathematics 19 Online
OpenStudy (anonymous):

x • x • x • x = ? 4x x(x + 4) x4 x + 4

OpenStudy (anonymous):

Isn't it just 4x?

OpenStudy (anonymous):

These are all the same term. Each term has a value of 1, so when you add them the defining number goes to the left of the X.

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