1/2(2x+6)(x+3)

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Solution for 1/2(2x+6)(x+3) equation: 


x in (-oo:+oo)

(1/2)*(2*x+6)*(x+3) = 0

1/2*(2*x+6)*(x+3) = 0

( 2*x+6 )

2*x+6 = 0 // - 6

2*x = -6 // : 2

x = -6/2

x = -3

( x+3 )

x+3 = 0 // - 3

x = -3

x in { -3, -3 }

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