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(3x-5)^2-2(5-3x)+(x-5)(3x-5)dati factor comun​

Răspuns :

Iakabcristina2

(3x - 5)^2 - 2(5 - 3x) + (x - 5)(3x - 5) =

(3x - 5)^2 + 2(3x - 5) + (x - 5)(3x - 5) =

(3x - 5)(3x - 5 + 2 + x - 5) =

(3x - 5)(4x - 8) =

4(3x - 5)(x - 2)

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