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Scoateti factor comun pe (x+√2)

a) (x-1)(x+√2)+3(x+√2)

b) 2x(x+√2)-5(x+√2)


Răspuns :

a: (x-1)(x+√2)+3(x+√2)=(x+√2)(x-1+3)

b: 2x(x+√2)-5(x+√2)=(x+√2)(2x-5)