Answer:
m = - 3
Step-by-step explanation:
a³ + 27 ← is a sum of cubes and factors in general as
a³ + b³ = (a + b)(a² - ab + b²), thus
a³ + 27
= a³ + 3³
= (a + 3)(a² - 3a + 9)
comparing a² - 3a + 9 to a² + ma + 9, then
m = - 3
X⁵+ x +2x³ + 6+ 2x² = x⁵ + 2x³ +2x² + x + 6
Answer:
118
Step-by-step explanation:
10-4xy
10-4(9)(-3)
10-36(-3)
10+108
118
Answer:
c and d
Step-by-step explanation:
