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Factor by Grouping ax2−x2+7a−7a x ^ { 2 } - x ^ { 2 } + 7 a - 7

Question 9

Multiple Choice

Factor by grouping. ax2−x2+7a−7a x ^ { 2 } - x ^ { 2 } + 7 a - 7


A) x2+7(a−1) x ^ { 2 } + 7 ( a - 1 )
B) ax2+7a−(x2+7) a x ^ { 2 } + 7 a - \left( x ^ { 2 } + 7 \right)
C) (x2+7) (a−1) \left( x ^ { 2 } + 7 \right) ( a - 1 )
D) (x2−7) a+x2+7\left( x ^ { 2 } - 7 \right) a + x ^ { 2 } + 7
E) (x2+7) a−x2−7\left( x ^ { 2 } + 7 \right) a - x ^ { 2 } - 7

Correct Answer:

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