Question

Poate sa ma ajute cineva, am nevoie de raspunsuri cu rezolvarea

1:Efectuati

(x - 3)(x + 2) + (2x +1)(3x - 2) - 2x(x + 1)
si
(3x + 1)(x² + 2x - 5) - (x + 2)(2x² - x +3)

2:Eliminati parantezele, reduceti termanii asemenea si calculati

(3a²b + 6ab²)(2a²b + 8ab²) - (4a²b - 5ab²)(3a²b - 7ab²)
si
(5a - 2)(-3a² + a - 3) - (3a² - 2a - 2)(4a² + 2a +3)

Answer 1

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