treetalkative1
treetalkative1 treetalkative1
  • 25-03-2021
  • Mathematics
contestada

Please help me solve these algebraic expressions and turn them into simplified fraction
(They are two parts)

Please help me solve these algebraic expressions and turn them into simplified fraction They are two parts class=

Respuesta :

thebecks
thebecks thebecks
  • 25-03-2021

Answer:

h) (3 - 2b)/4b²

k) (2b - 3a)/ab³

Step-by-step explanation:

h) 3/4b² - 1/2b

multiply 1/2b, both top and bottom, by 2b, so 1/2b = 2b/4b²:

3/4b² - 2b/4b² = (3 - 2b)/4b²

k) 2/ab² - 3/b³

multiply 2/ab², both top and bottom, by b, so 2/ab² = 2b/ab³:

multiply 3/b³, both top and bottom, by a, so 3/b³ = 3a/ab³:

2b/ab³ - 3a/ab³ = (2b - 3a)/ab³

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