Home » Simplify (frac{1}{5x + 5}) + (frac{1}{7x+ 7})

Simplify (frac{1}{5x + 5}) + (frac{1}{7x+ 7})

Simplify (frac{1}{5x + 5}) + (frac{1}{7x+ 7})

  • A.
    (frac{12}{35x + 1})
  • B.
    (frac{1}{35(x + 1)})
  • C.
    (frac{12x}{35(x + 7)})
  • D.
    (frac{12}{35x + 35})
Correct Answer: Option D
Explanation

(frac{1}{5x + 5}) + (frac{1}{7x+ 7}) = (frac{1}{5(x + 1)}) + (frac{1}{7(x + 1)})
= (frac{7 + 5}{35(x + 1)})
= (frac{12}{35(x + 1)})