Mathematics Homework Help
Mathematics Homework Help. What are the solutions to the equation x^3 + 3x^2 = 70x + 144?
For the function f(x) = x3 + 3x2 – 70x – 144, f(–9) = 0, f(–2) = 0, and f(8) = 0
A: x = –8, x = 2, and x = 9
B; x = –9, x = –2, and x = 8
C: x = –8, x = –2, and x = 9
D: x = –9, x = –8, and x = –2
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