nj91173pbrkni nj91173pbrkni
  • 22-07-2018
  • Mathematics
contestada

find the least common denominator for these two rational expressions

a / a^2 - 6a + 9

7 / a^2 - 8a + 15

Respuesta :

Аноним Аноним
  • 22-07-2018

factor the 2 denominators:-


a^2 - 6a + 9 = (a - 3)(a - 3)


a^2 - 8a + 15 = (a - 3)(a - 5)


((a - 3) is common to both sets of factors so the LCD is:-


(a - 3)(a - 3)(a - 5) or this can be written as (a -3)^2(a - 5)




Answer Link

Otras preguntas

Why did the British Parliament impose taxes on the colonists after 1763? a. to pay for King George's lavish lifestyle b. to pay off the debts from the French an
What factors likely led some early americans to change from hunting to farming
what word describes the equal shares of the shape?
Digestion takes place inside _______ containing _______?
Trevor paints 1/6 of the fence surrounding his farm each day. How many days will it take to paint 3/4 of the fence?
name three gaseous elements that will not burn?
What is the only hemisphere and watch Antarctica has no land
Explain the reasons for U.S. neutrality during the 1920s and 1930s. How did ideas about neutrality change during the period from the end of World War I to the p
write this number in expanded form using fractions and decimals 0.362
What does the warden wear in the book holes