Use Long Division to Divide $\left( x ^ { 3 } - 343 \right) \div ( x - 7 )$

question 16

Multiple Choice

Use long division to divide.​ $\left( x ^ { 3 } - 343 \right) \div ( x - 7 )$ ​

• A)​ \(x ^ { 2 } + 7 x + 49 , x \neq 7\)
• B) \(x ^ { 2 } - 7 x + 49 , x \neq 7\)
• C) \(x ^ { 2 } + 7 x - 49 , x \neq 7\)
• D) \(x ^ { 2 } - 7 x - 49 , x \neq 7\)
• E) \(- x ^ { 2 } + 7 x + 49 , x \neq 7\)