What is the sum? the fraction with numerator 2 and denominator x squared plus the fraction with numerator 4 and denominator x squared

Both fractions have the same denominator, x squared, so add their numerators: 2 + 4 = 6. The sum is 6/x², which is choice B. The denominator stays x squared; it is not multiplied or added.

AI-written and checked against the verified answer.