Add the rational expressions to find the sum:  5x+2+6x−3 .(1 point)Responses11x−3x2−x−6Start Fraction 11 x minus 3 over x squared minus x minus 6 End Fraction11x+27x2−x−6Start Fraction 11 x plus 27 over x squared minus x minus 6 End Fraction11x−1Start Fraction 11 over x minus 1 End Fraction−3x−6

1 answer

To find the sum of the rational expressions \( \frac{5x + 2}{1} + \frac{6x - 3}{1} \), we will first rewrite them with a common denominator.

  1. Combine the Numerators: \[ (5x + 2) + (6x - 3) = 5x + 2 + 6x - 3 = 11x - 1 \]

  2. Rewrite with a Denominator: Now we want to represent this as a single fraction. Since both expressions are over the same denominator (which we can use as 1): \[ \frac{11x - 1}{1} = 11x - 1 \]

    However, to adjust this to the options given, let's consider the need for polynomial factors in the denominators, specifically \( x^2 - x - 6 \).

  3. Factor the Denominator: The expression \( x^2 - x - 6 \) factors to \( (x - 3)(x + 2) \).

  4. Attempt to Rewrite the Expression: Since \( x^2 - x - 6 \) isn't immediately a common denominator for this sum, we should construct the common denominator: \[ \frac{(11x - 1)\cdot{1}}{1} = \frac{11x - 1}{1} \cdot \frac{x^2 - x - 6}{x^2 - x - 6} = \frac{(11x - 1)(x^2 - x - 6)}{x^2 - x - 6} \]

  5. Adding Rational Expressions: But to form \( \frac{11x + C}{x^2 - x - 6} \), we may need actual individual rational forms that add up to a common base. In fact from our previous operations, we see: The complete fraction would remain like \( \frac{11x - 1}{1} \).

  6. Select from the Choices: The description initially lists:

    • \( \frac{11x - 3}{x^2 - x - 6} \)
    • \( \frac{11x + 27}{x^2 - x - 6} \)
    • \( \frac{11}{x - 1} - 3x - 6 \)

    Final Rational Expression: So through inspections: The first one captures \( 11x - 3 \) over \( x^2 - x - 6 \), though not quite matching \( -1 \).

Thus we will arrive at the closest value: The result greatly prefers or implies the option: Response: \(\frac{11x - 3}{x^2 - x - 6}\).