Question

resuelve los siguientes productos
(5+b) (25-5a+a2)
(x-3)(x2+3x+9)
(b+2)(b2-2b+4)
(5+z)3
(c+3).(3-c)3
ayudenme xfafor

Answer 1

(5+b)(25-5a+a²) = 125-25a+5a²+25b+5ab+a²b ----
(x-3)(x²+3x+9) = x³+3x²+9x-3x²-9x-27 = x³ -27 ---
(b+2)(b²-2b+4) = b³-2b² +4b+2b²-4b+8 = b³ + 8 ---
(5+z)3 = 15 + 3z --
(c+3)(3-c)3 = (3c-c²+9-3c)3 =(9-c²)3=27 - 3c²