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Find the Missing Numerator and Denominator 7x2−28xx2−6x−40÷??=7xx−10\frac { 7 x ^ { 2 } - 28 x } { x ^ { 2 } - 6 x - 40 } \div \frac { ? } { ? } = \frac { 7 x } { x - 10 }

Question 58

Multiple Choice

Find the missing numerator and denominator.
- 7x2−28xx2−6x−40÷??=7xx−10\frac { 7 x ^ { 2 } - 28 x } { x ^ { 2 } - 6 x - 40 } \div \frac { ? } { ? } = \frac { 7 x } { x - 10 }


A) x−107x\frac { x - 10 } { 7 x }

B) x+107x\frac { x + 10 } { 7 x }

C) x−4x+4\frac { x - 4 } { x + 4 }

D) 7xx+10\frac { 7 x } { x + 10 }

Correct Answer:

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