TerrelleZ82662 TerrelleZ82662
  • 03-11-2022
  • Mathematics
contestada

Simplify: 2x^2 + 19x + 35/2x^2 +11x +15 a) 7/3b) 19x + 35/11x + 15c) 2x + 7/2x + 3d) x + 7/x + 3

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YedidyaU718931 YedidyaU718931
  • 03-11-2022

SOLUTION

We want to simplify

[tex]\frac{2x^2+19x+35}{2x^2+11x+15\text{ }}[/tex]

Factorising the numerator and denominator, we have

[tex]\begin{gathered} \frac{2x^2+19x+35}{2x^2+11x+15\text{ }} \\ \frac{2x^2+14x+5x+35}{2x^2+6x+5x+15\text{ }} \\ \frac{2x(x+7)+5(x+7)}{2x(x+3)+5(x+3)} \\ \frac{(2x+5)(x+7)}{(2x+5)(x+3)} \end{gathered}[/tex]

Canceling out the common factor which is

[tex]2x+5[/tex]

We have our answer as

[tex]\frac{x+7}{x+3}[/tex]

Hence the answer is option D

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