Calcule:
a) (3x + 2) : (x-3)
b) (3a2 + 2a + 4).(-a -3)
c) (-2x + 5). (6x2 + 4x + 3)
d) (5x2 + 2x - 1). (x-3)
e) (a + b)(a - b)
f) (a2 + 4ab) · (a2 - 4ab)
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I didn't understand, can you speak english please !!
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