arshnoorb07 arshnoorb07

19-03-2021
Mathematics

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factorise fully 3x^2-20x+12

Respuesta :

tankisfun97 tankisfun97

20-03-2021

Answer:

(3x-2)(x-6)

Step-by-step explanation:

Δ/4 = 100-36 = 64

x1;x2 = (10+/-√64)/3

x1 = (10-8)/3 = 2/3

x2= (10+8)/3 = 6

3(x-2/3)(x-6)

(3x-2)(x-6)

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