A) 6a(x - 2) + 8b(x - 2) + 4c(2 - x) = 6a(x - 2) + 8b(x - 2) - 4c(x - 2) = (6a + 8b - 4c)(x - 2)
b) x³(2x + 3) + 3(2x³ + 3x²) + 3x³(3 + 2x) = x(2x³ + 3x²) + 3(2x³ + 3x²) + 3x(2x³ + 3x²) = (2x³ + 3x²)(3x + x + 3) = (2x³ + 2x²)(4x + 3)
1) 4ac
2) 4
3) 16
4) 3
5) m^6
6) -8a^3b^6
7) 25
8) -2a+d^3+2d
9) 7a^3+16a^2b-8ab^2-5b^3
10)
При a=3/4 и b=1/9, 4ac=1/3