gutgore
gutgore gutgore
  • 15-03-2021
  • Mathematics
contestada

Express [tex]\frac{x}{x+2} +\frac{2x}{x-4}[/tex]as a single fraction in its simplest form.

Respuesta :

jimrgrant1 jimrgrant1
  • 15-03-2021

Answer:

[tex]\frac{3x^2}{(x+2)(x-4)}[/tex]

Step-by-step explanation:

Before adding the fractions we require them to have a common denominator.

Multiply numerator/ denominator of first fraction by x - 4

Multiply numerator/ denominator of second fraction by x + 2

= [tex]\frac{x(x-4)}{(x+2)(x-4)}[/tex] + [tex]\frac{2x(x+2)}{(x+2)(x-4)}[/tex] ← expand and simplify numerators, leaving common denominator

= [tex]\frac{x^2-4x+2x^2+4x}{(x+2)(x-4)}[/tex]

= [tex]\frac{3x^2}{(x+2)(x-4)}[/tex]

Answer Link

Otras preguntas

what is anxiety the result of, according to the humanistic perspective?
three times four, plus two to the third power
in a load of 3/4 ton of steel rods, 1/8 of them are bent. how many tons of steels rods are bent?
How do vitamins help keep the body healthy? increase LDL cholesterol levels raise blood sugar levels boost fat cell production boost immune system and help he
Explain how additive inverses are used in subtraction
what is the control and experiment variables in an experiment?
Christina scored a certain number of goals, g, during a soccer season. Sarah scored twice as many goals during the same season. write an expression for the numb
List three landforms formed by deposition
What is \[ \sqrt{31} \] approximated to the nearest tenth? A. 5.2 B. 4.1 C. 5.6 D. 5.1
which countries sent colonist to create new colonies on the north american continent?