dimple29
dimple29 dimple29
  • 24-08-2021
  • Mathematics
contestada

factorise 30n² - 87n + 30
can someone help pls quickly
thanks ​

Respuesta :

janetteochoa17 janetteochoa17
  • 24-08-2021
it is 3(5n-2)x(2n-5)
Answer Link
Tasyha
Tasyha Tasyha
  • 24-08-2021

Answer:

[tex]3(5n - 2) \times (2n - 5)[/tex]

Step-by-step explanation:

[tex]30 {n}^{2} - 87n + 30[/tex]

[tex]3(10 {n}^{2} - 29n + 10)[/tex]

[tex]3(10 {n}^{2} - 4n - 25n + 10)[/tex]

[tex]3(10 {n}^{2} \times (5n - 2) - 25n + 10)[/tex]

[tex]3(2n \times (5n - 2) - 5(5n - 2))[/tex]

[tex] = 3(5n - 2) \times (2n - 5)[/tex]

Answer Link

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