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ASHA 777 [7]
2 years ago
7

Solve the equation. 9x^3 - 36x = 0

Mathematics
1 answer:
inessss [21]2 years ago
5 0

Answer:

x = -2,0,2

Step-by-step explanation:

9x^3 - 36x = 0

Factor out 9x

9x(x^2 -4) =0

Factor inside the parentheses, which is the difference of squares

(a^2 -b^2 = (a-b)(a+b)

9x (x-2)(x+2) = 0

Using the zero product property

9x =0  x-2=0  x+2 =0

x=0  x=2  x=-2

x = -2,0,2

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