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If (a^3+27)=(a+3)(a^2+ma+9) then m equals
4 months ago
Q:
if (a^3+27)=(a+3)(a^2+ma+9) then m equals
Accepted Solution
A:
Answer:m = - 3Step-by-step explanation:a³ + 27 ← is a sum of cubes and factors in general asa³ + b³ = (a + b)(a² - ab + b²), thusa³ + 27 = a³ + 3³= (a + 3)(a² - 3a + 9)comparing a² - 3a + 9 to a² + ma + 9, thenm = - 3