Question

Calcule os produtos

a) 3x . (2x+4) =
b) 7x . (3x-2) =
c) 2x . (x+y) =
d) 4x . (x+b) =
e) 2x . (-2x+5) =
f) 5x . (x+2) =
g) 3x . (2x+1) =
h) -7 . (x-4) =
i) 3x . (2x-1) =
j) -4y . (x-y) =
k) -2 . (2x-1) =
l) 3x . (3x-1) =
m) 5 . (2x-5) =
​

Answer 1

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