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b. 8x³ - 6xy
kalo ga slh gtu sihhh ...............
A. x(3x+5) = 3x dikali x
= 3x pangkat dua + (x dikali 5)
= 3x pangkat dua + 5x
B. 2x(4x pangkat dua - 3y) = 2x dikali 4x pangkat dua
= 8x pangkat tiga (2x dikali -3y)
= 8x pangkat tiga - 6xy