45-9/9x2

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Solution for 45-9/9x2 equation: 


x in (-oo:+oo)

45-((9/9)*x^2) = 0

45-x^2 = 0

-1*x^2 = -45 // : -1

x^2 = 45

x^2 = 45 // ^ 1/2

abs(x) = 3*5^(1/2)

x = 3*5^(1/2) or x = -(3*5^(1/2))

x in { 3*5^(1/2), -(3*5^(1/2)) }

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