Question

(-2x-3y)³
tolong di jawab dan isi caranya

Answer 1

Segitiga passcal ke-3 adalah 1 3 3 1

(-2x-3y)^3 = 1 (-2x)^3 (-3y)^0 + 3 (-2x)^2 (-3x)^1 + 3 (-2x)^1 (-3y)^2 + 1 (-2x)^0 (-3y)^3
= -8x^3 + 3(4x^2)(-3y) + 3(-2x)(9y^2) + (-27y^3)
= -8x^3 - 36x^2y - 54xy^2 - 27y^3

Answer 2

-8x³-12x²y-24x²y-36xy²-18xy²-27y³ =-8x³-36x²y-54xy²-27y³