Question

(4y-2)•(-2y+1)
5a (a-3B)
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Answer 1

Ответ:

$(4y-2)(-2y+1) = -8y^{2}+4y+4y-2 = -8y^{2}+8y-2$

$5a(a-3b) = 5a^{2} -15ba$