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Efectuati produsele:

a) (x-1)(x-2)

b) (x-3)(x+6)

c) (x+4)(x+5)

d) (2x+7)(1-2x)

e) (1-2x)(3x+5)

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

g) (2a+3b)(3a-b)

h) (4x+3y)(4x-3y)

1
by deliabalint

what is efectuati produsele?

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