5q^2/10q+15q^2

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Solution for 5q^2/10q+15q^2 equation:


q in (-oo:+oo)

q*((5*q^2)/10)+15*q^2 = 0

1/2*q^3+15*q^2 = 0

q^2*(1/2*q+15) = 0

1/2*q+15 = 0 // - 15

1/2*q = -15 // : 1/2

q = -15/1/2

q = -30

q^2 = 0

1*q^2 = 0 // : 1

q^2 = 0

q = 0

q in { -30, 0 }

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