SOLUTION: Given the polynomial f(x) = x2 - 9. Find the number of solutions and the multiplicity of the solutions.

SOLUTION: Given the polynomial f(x) = x2 - 9. Find the number of solutions and the multiplicity of the solutions.

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Question 884526: Given the polynomial f(x) = x2 - 9. Find the number of solutions and the multiplicity of the solutions.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Plug in f(x) = 0 and solve for x.

f(x) = x^2 - 9

0 = x^2 - 9

x^2 - 9 = 0

(x-3)(x+3) = 0

x-3 = 0 or x+3 = 0

x = 3 or x = -3

The two solutions are x = 3 or x = -3 (each has multiplicity 1)
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