Which are real zeroes of this function? x3 + 2x2 – 9x – 18?
Need Help Which are real zeroes of this function?
x3 + 2x2 – 9x – 18
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Need Help Which are real zeroes of this function?
x3 + 2x2 – 9x – 18
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Verified answer
x^3 + 2x^2 - 9x -18
= (x - 3)(x + 2)(x + 3)
x^3 + 2x^2 - 9x -18 = 0 at
x = 3. -2 and -3