(-3x+4)³ = tolong pake caranya

Kelas 8 Matematika
Bab Operasi Aljabar

(-3x + 4)³
= (-3x)³ + 3 . (-3x)² . 4 + 3 . (-3x) . 4² + 4³
= -27x³ + 12 . 9x² - 9x . 16 + 64
= -27x² + 108x² - 144x + 64

[tex] (-3x+4)^{3} = (a+b)^{3} = a^3+3a^2b+3ab^2+b^3 \\-27x^3+3.9x^2.4 -3.3x.16+64 \\ = -27x^3+108x^2 -144x+64 \\[/tex]