Barbara used the distributive property to write an expression that is equivalent to 7 d + 63. Her work is shown below.
The greatest common factor is 7 so 7 d + 63 = 7 (d + 63)
What was Barbara’s error?
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Step-by-step explanation:
GCF of 7 and 63 is 7.
Explanation: The GCF of two non-zero integers, x(7) and y(63), is the greatest positive integer m(7) that divides both x(7) and y(63) without any remainder.
Barbara wrote (d + 63) instead of 63 d). Barbara wrote (d + 63) instead of (d + 9).
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